Superglacial is valid Scrabble Word

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

12 letters word
17 points in Scrabble
23 points in WWF

Definitions for SUPERGLACIAL in dictionary:

ADJECTIVE:

occurring or originating on the surface of a glacier

Similar words containing GLACI without suffix al and without prefix super

glacis9 glacial10 glacier10 glacials11 glaciate11 glaciers11 glacises11 englacial12 glacially15 glaciated13 glaciates12 glaciered13 glacialist13 glaciating14 glaciation13 glaciology17 preglacial15 subglacial15 deglaciated16 englacially17 glacialists14 glaciations14 glaciologic17 periglacial16 postglacial16 unglaciated15 deglaciation16 glaciologies16 glaciologist16 interglacial15 subglacially20 deglaciations17 glaciological19 glaciologists17 interglacials16

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