frequency multiplier

20 LETTERS · STARTS WITH F

frequency multiplier is a valid 20-letter word worth 40 points in Scrabble and 47 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4R1E1Q10U1E1N1C3Y4M3U1L1T1I1P3L1I1E1R1

4 + 1 + 1 + 10 + 1 + 1 + 1 + 3 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =40 PTS

DOUBLE WORD → 80TRIPLE WORD → 120

MEANING

What does frequency multiplier mean?