arc

1. n. A portion of a curved line; as, the arc of a circle or of an ellipse. Source: opted

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

3. n. An arch. Source: opted

4. n. 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. Source: opted

5. n. electrical conduction through a gas in an applied electric field Source: wordnet

6. n. a continuous portion of a circle Source: wordnet

7. n. something curved in shape Source: wordnet

8. v. form an arch or curve Source: wordnet

9. 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. Source: webster

10. A portion of a curved line; as, the arc of a circle or of anellipse. Source: adambom

11. v:7/n:93 n. a continuous portion of a circle Source: ecdict

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