Tachyonic is valid Scrabble Word

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

Definitions for TACHYONIC in dictionary:

Words related to TACHYONIC

tachyon15
Find what other words can be done using letters: "tachyonic"
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