threshold frequency

19 LETTERS · STARTS WITH T

threshold frequency is a valid 19-letter word worth 42 points in Scrabble and 43 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4R1E1S1H4O1L1D2F4R1E1Q10U1E1N1C3Y4

1 + 4 + 1 + 1 + 1 + 4 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 10 + 1 + 1 + 1 + 3 + 4 =42 PTS

DOUBLE WORD → 84TRIPLE WORD → 126

MEANING

What does threshold frequency mean?