d 2 i 1 a 1 t 1 o 1 m 3
6 letters · 9 points in Scrabble
Meaning
noun microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
originFrom (deprecated) genus name Diatoma, from Ancient Greek διάτομος (diátomos, “cut through, cut in half”).
Etymology from Wiktionary, CC BY-SA 3.0