Isotherals is valid Scrabble Word

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

Definitions for ISOTHERALS in dictionary:

Words related to ISOTHERALS

isotheral12

Similar words containing ISOTHERAL without suffix s

isotheral12
Find what other words can be done using letters: "isotherals"
https://scrabble-word.com/finder/isotherals
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