sec ( secs plural ) If you ask someone to wait a sec, you are asking them to wait for a very short time. INFORMAL n-count usu a N in sing Can you just hang on a sec?..., Be with you in a sec.
sec. ( secs plural ) Sec. is a written abbreviation for second or seconds.
Grete Waitz finished with a time of 2 hrs, 29 min., 30 sec.
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