arc
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(ark)

[L. arcus, bow]
1. A curved line; a portion of a circle.
2. An electric spark, esp. in defibrillation or cardioversion, that follows an unwanted or potentially hazardous pathway.
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(ark)

[L. arcus, bow]
1. A curved line; a portion of a circle.
2. An electric spark, esp. in defibrillation or cardioversion, that follows an unwanted or potentially hazardous pathway.
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