used before a singular noun to mean one of a group, when it is not a particular one
From this reading An arc, you know, is a portion of a circle.
aboutprepositionUS /əˈbaʊt/
on the subject of; concerning
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
the form of “a” used before a word that begins with a vowel sound
From this reading An arc, you know, is a portion of a circle.
used to join words or parts of a sentence that go together
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
arcnounUS /ɑːrk/
electrical conduction through a gas in an applied electric field
From this reading An arc, you know, is a portion of a circle.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
delighting the senses or exciting intellectual or emotional admiration
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
to be able to, or to be allowed to
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
CapellanounUS /kəˈpelə/
the brightest star in Auriga
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
CassiopeianounUS /ˌkʌsiəˈpiːə/
(Greek mythology) the wife of Cepheus and mother of Andromeda
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
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 An arc, you know, is a portion of a circle.
rid of obstructions
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
the past of “can”; used for possibility or polite requests
From this reading You could never imagine that a mere opera-glass would make such a difference.
curvenounUS /kɜːrv/
the trace of a point whose direction of motion changes
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
the quality of being unlike or dissimilar
From this reading You could never imagine that a mere opera-glass would make such a difference.
cause to move by pulling
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
come upon, as if by accident; meet with
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
showing where something starts, or who sent it
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
the person speaking or writing, as the subject of the verb
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
form a mental image of something that is not present or that is not the case
From this reading You could never imagine that a mere opera-glass would make such a difference.
inside something, or within a place, period, or state
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
the form of “be” used with he, she, it, or a singular noun
From this reading An arc, you know, is a portion of a circle.
a thing, animal, or idea already mentioned
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
From this reading An arc, you know, is a portion of a circle.
a strong positive emotion of regard and affection
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
engage in
From this reading You could never imagine that a mere opera-glass would make such a difference.
being nothing more than specified
From this reading You could never imagine that a mere opera-glass would make such a difference.
used to form the superlative
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
to a great degree or extent
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
not ever; at no time in the past or future
From this reading You could never imagine that a mere opera-glass would make such a difference.
Periods of darkness between sunset and sunrise.
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
used to make a word, phrase, or sentence negative
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
belonging to, or connected with, somebody or something
From this reading An arc, you know, is a portion of a circle.
touching and supported by a surface
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
opera-glass
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
PerseusnounUS /ˈpɜːrsiəs/
(Greek mythology) the son of Zeus who slew Medusa (with the help of Athena and Hermes) and rescued Andromeda from a sea monster
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
something determined in relation to something that includes it
From this reading An arc, you know, is a portion of a circle.
a rational motive for a belief or action
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
perceive by sight or have the power to perceive by sight
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
inflected form of “see” — perceive by sight or have the power to perceive by sight
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
the cardinal number that is the sum of six and one
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
for that reason; with the result that
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
plural of “star” — (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
of the kind already mentioned
From this reading You could never imagine that a mere opera-glass would make such a difference.
used to introduce what somebody said, thought, or felt
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
a special situation
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
used for a person or thing that is near, or that has just been mentioned
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
from one end or side of something to the other
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
used before the base form of a verb to make the infinitive
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
precisely as stated
From this reading On nights that are not very clear I can see about seven stars in this Arc of Perseus.
how something is done or how it happens
From this reading And the way to find this arc is to draw a curve from Capella to Cassiopeia.
at the time that
From this reading And the reason I love it so much is that it is the most beautiful thing, when seen through an opera-glass, that I know.
used for something imagined, polite, or habitual in the past
From this reading You could never imagine that a mere opera-glass would make such a difference.
the person or people being spoken to
From this reading An arc, you know, is a portion of a circle.
