poikilothermism

15 LETTERS · 5 SYLLABLES · STARTS WITH P

poikilothermism is a valid 15-letter word worth 28 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3O1I1K5I1L1O1T1H4E1R1M3I1S1M3

3 + 1 + 1 + 5 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 3 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does poikilothermism mean?