photoelectric effect

20 LETTERS · STARTS WITH P

photoelectric effect is a valid 20-letter word worth 36 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3H4O1T1O1E1L1E1C3T1R1I1C3E1F4F4E1C3T1

3 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 0 + 1 + 4 + 4 + 1 + 3 + 1 =36 PTS

DOUBLE WORD → 72TRIPLE WORD → 108

MEANING

What does photoelectric effect mean?