5 entries found for arc.
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arc[1,noun] arc[2,verb] arc lamp reflex arc Joan of Arc

Main Entry: ¹arc
Pronunciation: ärk
Function: noun
1 a : something curved b : a curved path
2 : a glowing flow of electricity across a gap in a circuit or between electrodes
3 : a continuous portion of a curved line (as part of the circumference of a circle)