DIATOM /ˈdaɪətəm/ ► audio Scrabble 9 Words With Friends 10 Scrabble letter values: D2I1A1T1O1M3 = 9 Definition noun microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica. See all 53 words you can make from DIATOM → 6-letter words Words starting with D Words ending with M ← Unscramble different letters