first moment

NOUN
12 LETTERS · STARTS WITH F

first moment is a valid 12-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4I1R1S1T1M3O1M3E1N1T1
4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 3 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does first moment mean?

NOUN · 1 SENSE
1

The sum of the values of a random variable divided by the number of values.