noise figure

12 LETTERS · STARTS WITH N

noise figure is a valid 12-letter word worth 15 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1I1S1E1F4I1G2U1R1E1

1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 2 + 1 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does noise figure mean?