a 1/60 of a minute of time
b the basic SI unit of time: the duration of 9192631770 periods of radiation corresponding to the transition between two hyperfine levels of the ground state of caesium-133., (Symbol)
2 1/60 of a minute of angle., (Symbol)
3 a very short period of time; moment
(C14: from Old French, from Medieval Latin pars minuta secunda the second small part (a minute being the first small part of an hour); see second1)
English Collins Dictionary - English Definition & Thesaurus
n bat of an eye (informal) flash, instant, jiffy (informal) minute, moment, sec (informal) split second, tick (Brit. informal) trice, twinkling, twinkling of an eye, two shakes of a lamb's tail (informal)
English Collins Dictionary - English synonyms & Thesaurus
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