Ultramicro is valid Scrabble Word

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

Definitions for ULTRAMICRO in dictionary:

Words that contain ULTRAMICRO

ultramicrotome20 ultramicrotomy23 ultramicrometer21 ultramicroscope23 ultramicroscopy26 ultramicrotomes21 ultramicrotomie21 ultramicroscopi23 ultramicroscopic26 ultramicroscopes24 ultramicrotomies22 ultramicroscopical28 ultramicroscopically33
Find what other words can be done using letters: "ultramicro"
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