Poikilothermal is valid Scrabble Word

Is poikilothermal a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is poikilothermal valid Words with Friends?
Words with Friends YES

Definitions for POIKILOTHERMAL in dictionary:

Similar words containing POIKILOTHERM without suffix al

poikilotherm23 poikilotherms24 poikilothermy27 poikilothermic27 poikilothermies26 poikilothermism28
Find what other words can be done using letters: "poikilothermal"
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