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Definition of sec noun from the Oxford Advanced Learner's Dictionary

sec

noun
 
/sek/
 
/sek/
a sec
[singular] (informal)
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  1. a very short time; a second
    • Stay there. I'll be back in a sec.
    • Hang on (= wait) a sec.
    Topics Timec2
    Word Originlate 19th cent.: abbreviation.
See sec in the Oxford Advanced American Dictionary
previously
adverb
 
 
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