Chapter VII

used before a singular noun to mean one of a group, when it is not a particular one

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

higher than, or over, something

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

third-person singular of “acquire” — come into the possession of something concrete or abstract

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the act of acquiring something

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

the form of “a” used before a word that begins with a vowel sound

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

used to join words or parts of a sentence that go together

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

a curved shape in the vertical plane that spans an opening

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

at the same time that; because; in the way that

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

moving or going or growing upward

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

in or near a particular place or position

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

a particular environment or surrounding influence

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

a straight line through a body or figure that satisfies certain conditions

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

the -ing form of “be”

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

at or to a lower level than something

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

above average in size or number or quantity or magnitude or extent

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the two together, not just one

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

showing who or what does the action

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

a low-lying region in central France

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

tending to move away from a center

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

having the shape or form of a circle

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

coming down or downward

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

third-person singular of “descend” — move downward and lower, but not necessarily all the way

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

extending or moving from a higher to a lower place

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

plural of “eddy” — founder of Christian Science in 1866 (1821-1910)

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

either extremity of something that has length

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

plural of “end” — either extremity of something that has length

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

be identical or equivalent to

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

all the members of a group, with none left out

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

(usually followed by “with” or used as a combining form) generously supplied with

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

plural of “fluid” — a substance that is fluid at room temperature and pressure

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

a powerful effect or influence

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

many times at short intervals

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

showing where something starts, or who sent it

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

a conical shape with a wider and a narrower opening at the two ends

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

highest in quality

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the solid part of the earth's surface

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

of comparatively great physical weight or density

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

on condition that; in the event that

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

inside something, or within a place, period, or state

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

relating to or existing in the mind or thoughts

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

the form of “be” used with he, she, it, or a singular noun

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

a thing, animal, or idea already mentioned

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

belonging to the thing or animal already mentioned

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

having or showing a tender and considerate and helpful nature; used especially of persons and their behavior

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

plural of “kind” — a category of things distinguished by some common characteristic or quality

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

plural of “leaf” — the main organ of photosynthesis and transpiration in higher plants

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

the act of departing

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

a change downward

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

prefer or wish to do something

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

move something or somebody to a lower position

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

used to say something is possible, or to give permission

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

an area that is approximately central within some larger region

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the use of movements (especially of the hands) to communicate familiar or prearranged signals

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

used to say something is necessary, or almost certainly true

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

belonging to, or connected with, somebody or something

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

touching and supported by a surface

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

To move from a closed position.

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

used to join alternatives or possibilities

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

the local environment

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

plural of “place” — a point located with respect to surface features of some region

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

exert pressure or force to or upon

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

-ing form of “prevent” — keep from happening or arising; make impossible

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

a slow or gradual disappearance

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

move upward

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

Identical; not different.

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

inflected form of “see” — perceive by sight or have the power to perceive by sight

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

plural of “side” — a place within a region identified relative to a center or reference location

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

having a supporting base

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

closely encircling

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

subsequently or soon afterward (often used as sentence connectors)

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

in or at that place or location

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

from one end or side of something to the other

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

proclaim on, or as if on, a trumpet

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

directed up

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

being unoccupied

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the absence of matter

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

an act of aggression (as one against a person who resists)

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

how something is done or how it happens

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

the vertical force exerted by a mass as a result of gravity

From this reading The greatest pressure inward must be at the lower end, the greatest weight of the surrounding atmosphere being there.

at the time that

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

in or at the place that

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

used to introduce a clause giving more about a thing just mentioned

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

the act of rotating in a circle or spiral

From this reading The air, in its whirling motion, receding every way from the centre or axis of the trumpet, leaves there a _vacuum_, which cannot be filled through the sides, the whirling air, as an arch, preventing; it must then press in at the open ends.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Air, descending or ascending, may form the same kind of eddies or whirlings, the parts of air acquiring a circular motion, and receding from the middle of the circle by a centrifugal force, and leaving there a vacancy; if descending, greatest above and lessening downward; if ascending, greatest below and lessening upward; like a speaking-trumpet standing its big end on the ground.

plural of “whirlpool” — a powerful circular current of water (usually the result of conflicting tides)

From this reading Heavy fluids, descending, frequently form eddies or whirlpools, as is seen in a funnel, where the water acquires a circular motion, receding every way from a centre, and leaving a vacancy in the middle, greatest above, and lessening downward, like a speaking-trumpet, its big end upward.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.

in the company of; together with

From this reading When the air descends with a violence in some places, it may rise with equal violence in others, and form both kinds of whirlwinds.