retroactive inhibition

22 LETTERS · STARTS WITH R

retroactive inhibition is a valid 22-letter word worth 31 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1T1R1O1A1C3T1I1V4E1I1N1H4I1B3I1T1I1O1N1

1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does retroactive inhibition mean?