arc
ork
- n electrical conduction through a gas in an applied electric field
- n a continuous portion of a circle
- n something curved in shape
- v form an arch or curve
her back arches
- More than two thousand years Archimedes, Appolonius of Perga and many another famed Greek geometrician tried to divide an arc into three equal parts with ruler compass.
- The arc band was pale, thin.
- It was December 1994 and Jean-Pierre Daugas, head of archaeology in the Rhne-Alpes region of France, called with news of a discovery at Vallon-Pont-d'Arc, in the Ardche Valley.