Interstitials is valid Scrabble Word

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

13 letters word
13 points in Scrabble
15 points in WWF

Definitions for INTERSTITIALS in dictionary:

NOUN:

INTERSTITIAL, an extra atom in a crystal lattice, causing a defect

ADJECTIVE:

(of minute animals) living in the spaces between individual sand grains in the soil or aquatic sediments
of, forming, or occupying interstices
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Words related to INTERSTITIALS

interstitial12

Similar words containing TERSTITIAL without suffix s and without prefix in

interstitial12 interstitially17

Find what other words can be done using letters: "interstitials"
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