Enter a clue or pattern or both:
The Clue
Sixty-thousandths of a min. (5 letter answer)
The Answer
MSECS
Tags
Notes
The answer MSECS is so rare that it appears less than once every 2500 puzzles.
Definition
MSEC as a noun:
1. (millisecond, msec) = one thousandth (10^-3) of a second