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TOEFL IELTS BNC: 6611 COCA: 5923

arc

Word family
arc /ɑːk $ ɑːrk/ ●○○ noun [countableC]   ark
1 CFBENDa curved shape or line 弧(状)
 the arc of a rainbow
彩虹的弧状
2 BENDpart of a curved line or a circle 弧线;弧形
 The Sun moves across the sky in an arc.
太阳在天空中以弧线方式运行。
3. TEEa flash of light formed by the flow of electricity between two points 弧光,电弧
arc verb [intransitiveI]
Examples from the Corpus
Origin arc
(1300-1400) Old French Latin arcus bow, arch, arc
arc noun
Chinese
Corpus

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