arc
To arc is defined as to make a curved shape or move in a curved path.
(verb)An example of arc is the way stars move across the sky.
The definition of an arc is a curve or bowed shape, like a part of a circle.
(noun)An example of an arc is a rainbow.
YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
See arc in Webster's New World College Dictionary
noun
- Historical the part of a circle that is the apparent path of a heavenly body above and below the horizon
- a bowlike curved line or object
- Elec. the band of sparks or incandescent light formed when an electric discharge is conducted from one electrode or conducting surface to another, characterized by relatively high current and low potential difference between electrodes
- Geom.
- any part of a curve, esp. of a circle
- the angular measurement of this
Origin: ME ark < OFr arc < L arcus, a bow, arch < IE base *arqu-, bowed, curved > arrow
adjective
designating an inverse trigonometric function: arc sine x is an angle whose sine is x
noun
AIDS-related complex
American Red Cross
See arc in American Heritage Dictionary 4
noun
- Something shaped like a curve or arch: the vivid arc of a rainbow.
- Mathematics A segment of a circle.
- An electric arc.
- Astronomy The apparent path of a celestial body as it rises above and falls below the horizon.
- To form an arc.
- To move or seem to move in a curved path: the stars that arc across the sky.
Origin:
Origin: Middle English ark
Origin: , from Old French arc
Origin: , from Latin arcus
.noun
A combination of symptoms, including fever, lymphadenopathy, blood abnormalities, and susceptibility to opportunistic infections that is a precursor to AIDS in some individuals infected with HIV.
Origin:
Origin: A(IDS)-r(elated) c(omplex)
. abbreviation
American Red Cross
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