Macronucleus is valid Scrabble Word

Is macronucleus a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is macronucleus valid Words with Friends?
Words with Friends YES

Definitions for MACRONUCLEUS in dictionary:

Words related to MACRONUCLEUS

macronuclear18 macronuclei17 macronucleuses20
Find what other words can be done using letters: "macronucleus"
https://scrabble-word.com/finder/macronucleus
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