Crossword clues for Fraction of a minute. 3 lettersAnswerClueSECFraction of a minute.SECFraction of a minute: Abbr.SECFraction of a minute, for shortNSECMinute fraction: Abbr.TRILLIONTHMinute fractionNSECMinute fraction of a min.SECONDMinute fractionSECONDSFractions of a minuteSECONDFraction of a minuteNSECTiny fraction of a minute: Abbr.