Antiporters is valid Scrabble Word

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

Definitions for ANTIPORTERS in dictionary:

Words related to ANTIPORTERS

antiporter12
Find what other words can be done using letters: "antiporters"
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