used before a singular noun to mean one of a group, when it is not a particular one
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
aeronauticsnounUS /ˌerəˈnɔːtɪks/
the theory and practice of navigation through air or space
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
AEROPLANEnoun
an aircraft that has a fixed wing and is powered by propellers or jets
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
aeroplanes
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
in addition
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
at all times; all the time and on every occasion
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
used to join words or parts of a sentence that go together
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
ARTauxiliary verbUS /ɑːrt/
an old form of “are”, used with “thou”
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
AVIATIONnounUS /ˌeɪviˈeɪʃən/
the aggregation of a country's military aircraft
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
balloonsnounUS /bəˈluːnz/
plural of “balloon” — large tough nonrigid bag filled with gas or heated air
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
inflected form of “become” — enter or assume a certain state or condition
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
enter or assume a certain state or condition
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
a youthful male person
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
showing who or what does the action
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
inflected form of “carry” — move while supporting, either in a vehicle or in one's hands or on one's body
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
a possibility due to a favorable combination of circumstances
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
conversationsnounUS /ˌkɑːnvərˈseɪʃənz/
plural of “conversation” — the use of speech for informal exchange of views or ideas or information etc.
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
the time during which someone's life continues
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
departmentsnounUS /dɪˈpɑːrtmənts/
plural of “department” — a specialized division of a large organization
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
DEVELOPMENTnounUS /dɪˈveləpmənt/
act of improving by expanding or enlarging or refining
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
separated into parts or pieces
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
divisionsnounUS /dɪˈvɪʒənz/
plural of “division” — an army unit large enough to sustain combat
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
a feeling of excitement
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
a piece of land cleared of trees and usually enclosed
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
fliersnounUS /ˈflaɪərz/
plural of “flier” — someone who travels by air
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
travel through the air; be airborne
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
moving swiftly
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
intended to be given to, or used by, somebody
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
inflected form of “forget” — dismiss from the mind; stop remembering
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
a person you know well and regard with affection and trust
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
showing where something starts, or who sent it
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
gasnounUS /ɡæs/
the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
change location; move, travel, or proceed, also metaphorically
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
relatively large in size or number or extent; larger than others of its kind
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
highest in quality
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
hadauxiliary verbUS /hæd/
the past form of “have”, used to form the past perfect
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
hasauxiliary verbUS /hæz/
the form of “have” used with he, she, it, or a singular noun
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
haveauxiliary verbUS /hæv/
used with a past participle to form the perfect tenses
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
a man, boy, or male animal already mentioned, as the subject
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
heavier-than-airadjective
relating to an aircraft heavier than the air it displaces
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
helicoptersnounUS /ˈhelɪkɑːptərz/
plural of “helicopter” — an aircraft without wings that obtains its lift from the rotation of overhead blades
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
the male already mentioned, as the object of a verb or preposition
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
belonging to a man, boy, or male animal already mentioned
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
horizontaladjectiveUS /ˌhɔːrəˈzɑːntəl/
parallel to or in the plane of the horizon or a base line
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
HOW
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
of great significance or value
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
inside something, or within a place, period, or state
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
in truth (often tends to intensify)
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
INDUSTRYnounUS /ˈɪndəstri/
the people or companies engaged in a particular kind of commercial enterprise
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
having or showing interest; especially curiosity or fascination or concern
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
intoprepositionUS /ˈɪntuː/
moving to the inside of something
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
inventionsnounUS /ˌɪnˈvenʃənz/
plural of “invention” — the creation of something in the mind
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
INVENTORSnounUS /ˌɪnˈventərz/
plural of “inventor” — someone who is the first to think of or make something
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
the form of “be” used with he, she, it, or a singular noun
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
a thing, animal, or idea already mentioned
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
having or showing profound knowledge
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
lighter-than-airadjective
relating to a balloon or other aircraft that flies because it weighs less than the air it displaces
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
machinesnounUS /məˈʃiːnz/
plural of “machine” — any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
maintainedadjectiveUS /meɪnˈteɪnd/
kept in good condition
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
not caught with the senses or the mind
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
not ever; at no time in the past or future
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
used to make a word, phrase, or sentence negative
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
belonging to, or connected with, somebody or something
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
touching and supported by a surface
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
operationnounUS /ˌɑːpərˈeɪʃən/
the state of being in effect or being operative
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
used to join alternatives or possibilities
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
orthopters
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
not the same one or ones already mentioned or implied
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
belonging to the speaker and others
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
plural of “point” — a geometric element that has position but no extension
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
not widely known; especially valued for its uncommonness
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
a particular branch of scientific knowledge
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
scientistnounUS /ˈsaɪəntɪst/
a person with advanced knowledge of one or more sciences
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
screwsnounUS /skruːz/
plural of “screw” — someone who guards prisoners
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
inflected form of “see” — perceive by sight or have the power to perceive by sight
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
for that reason; with the result that
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
on certain occasions or in certain cases but not always
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
SPORTSnounUS /spɔːrts/
plural of “sport” — an active diversion requiring physical exertion and competition
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
used to introduce what somebody said, thought, or felt
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
belonging to the people or things already mentioned
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
the people or things already mentioned, as the object
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
subsequently or soon afterward (often used as sentence connectors)
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
the plural of “this”: the people or things near, or just mentioned
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
the cardinal number that is the sum of one and one and one
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
from one end or side of something to the other
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
used before the base form of a verb to make the infinitive
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
treatsnounUS /triːts/
plural of “treat” — something considered choice to eat
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
the cardinal number that is the sum of one and one or a numeral representing this number
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
UNTILprepositionUS /ənˈtɪl/
up to a particular time
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.
directed up
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
the speaker together with one or more other people
From this reading With them we have seen how the science of aeronautics has been divided into two great departments: balloons, or lighter-than-air fliers, and all other machines that are not maintained in the air by hot air or gas.
wereauxiliary verbUS /wɜːr/
the past form of “be” used with you, we, they, or a plural noun
From this reading These days were rare treats indeed, for the boy always learned some new and important points from their conversations.
wing-flapping
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading We have seen also the three great divisions of heavier-than-air aviation--that is, orthopters or wing-flapping machines; helicopters or machines that fly upward through the operation of horizontal screws; and aeroplanes.
in the company of; together with
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
used for something imagined, polite, or habitual in the past
From this reading He never missed a chance to go to the aviation field, and sometimes his scientist friend would go with him.
(used of living things especially persons) in an early period of life or development or growth
From this reading AEROPLANE DEVELOPMENT HOW THE INVENTORS CARRIED ON THE ART OF AVIATION UNTIL IT BECAME THE GREATEST OF ALL SPORTS AND THEN A GREAT INDUSTRY So interested in aviation had our young friend become that he forgot all other inventions in his enthusiasm for flying.