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Etymology from Wiktionary, CC BY-SA 4.0.
hectosecond
Today it means: (metrology) An SI unit of time equal to 10² seconds. Symbol: hs. (= 00:01:40 = 1.666̄̄ minutes) Full definition →
Today it means: (metrology) An SI unit of time equal to 10² seconds. Symbol: hs. (= 00:01:40 = 1.666̄̄ minutes) Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.