Arc

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Arc \Arc\ ([aum]rk), verb (used without an object) [imp. & p. p. {Arcked} ([aum]rkt); p. pr. & vb. n. {Arcking}.] (Elec.) To form a voltaic arc, as an electrical current in a broken or disconnected circuit. [Webster 1913 Suppl.]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Arc \Arc\, noun [F. arc, L. arcus bow, arc. See {Arch}, noun]

1. (Geom.) A portion of a curved line; as, the arc of a circle or of an ellipse.

2. A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.

3. An arch. [Obs.]

Statues and trophies, and triumphal arcs. --Milton.

4. The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.

{Electric arc}, {Voltaic arc}. See under {Voltaic}.

From WordNet (r) 3.0 (2006) [wn]:

arc

noun

1: electrical conduction through a gas in an applied electric field [syn: {discharge}, {spark}, {arc}, {electric arc}, {electric discharge}]

2: a continuous portion of a circle

3: something curved in shape [syn: {bow}, {arc}]

verb

1: form an arch or curve; "her back arches"; "her hips curve nicely" [syn: {arch}, {curve}, {arc}]


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