diaphototropism

15 LETTERS · 6 SYLLABLES · STARTS WITH D

diaphototropism is a valid 15-letter word worth 25 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1A1P3H4O1T1O1T1R1O1P3I1S1M3

2 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 3 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does diaphototropism mean?