Ultrafiltering is valid Scrabble Word

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

Definitions for ULTRAFILTERING in dictionary:

Words related to ULTRAFILTERING

ultrafilter14

Similar words containing ULTRAFILTER without suffix ing

ultrafilter14 ultrafilters15 ultrafiltered17
Find what other words can be done using letters: "ultrafiltering"
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