Gastightness is valid Scrabble Word

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

12 letters word
17 points in Scrabble
19 points in WWF

Definitions for GASTIGHTNESS in dictionary:

NOUN:

the state of being gastight

ADJECTIVE:

not penetrable by a gas.
not admitting a given gas under a given pressure.

OTHER DEFINITIONS:

impervious to gas

Words related to GASTIGHTNESS

gastight13

Words that contain GASTIGHTNESS

gastightnesses19

Similar words containing GASTIGHTNES without suffix s

gastightnesses19

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

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