apparent motion

NOUN
15 LETTERS · STARTS WITH A

apparent motion is a valid 15-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1P3P3A1R1E1N1T1M3O1T1I1O1N1
1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does apparent motion mean?

NOUN · 1 SENSE
1

An optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object.

“the cinema relies on apparent motion”