diatomite

About 0.07 uses per million words.

Meaning

1. noun A fine, powdery earth formed from the skeletons of diatoms

Similar words

diatomaceous earth kieselguhr ceyssatite aeolianite tripoli tripolite diatexite biolithite diamictite diabase

Often followed by

is and filter in filters deposits filtration of are

Word family

diatomites