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Raresecond of arc
The correct spelling is second of arc.
How to pronounce second of arc
noun
Say it like: Sec-ond- of- ar-c
The correct spelling is second of arc. An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.
Usage Examples
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Definition
noun
- 1.An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.
Similar words
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