DIATOMITES
Scrabble letter values: D2I1A1T1O1M3I1T1E1S1 = 13
Definition
DIATOMITES is the plural of DIATOMITE.
noun DIATOMITE: a light soil consisting of siliceous diatom remains and often used as a filtering material.
Synonyms of DIATOMITE: diatomaceous_earth, kieselguhr