autokinetic illusion

20 LETTERS · STARTS WITH A

autokinetic illusion is a valid 20-letter word worth 25 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1U1T1O1K5I1N1E1T1I1C3I1L1L1U1S1I1O1N1
1 + 1 + 1 + 1 + 5 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does autokinetic illusion mean?

1