Crossword clues for the word: MSECS The word MSECS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for MSECS Showing 1 to 4 of 4 results Clue(s) Sixty-thousandths of a min. There are 60 000 in a min. There are 60,000 of them in a min. Tiny minute pts.