sweep-second

[sweep-sek-uh nd] /ˈswipˌsɛk ənd/

noun

(on a timepiece) a second hand that is a sweep hand.

Also called sweep-second hand.

Origin of sweep-second

1935-1940

First recorded in 1935-40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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