subliminal perception

21 LETTERS · STARTS WITH S

subliminal perception is a valid 21-letter word worth 30 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1U1B3L1I1M3I1N1A1L1P3E1R1C3E1P3T1I1O1N1
1 + 1 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does subliminal perception mean?

1