Found 1 items, similar to infusorial earth.
English → English (gcide) Definition: infusorial earth diatomaceous earth \di`a*to*ma"ceous earth`\ (Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called infusorial earth, kieselguhr, and diatomite. It is used in polishing powder, and in the manufacture of dynamite. [1913 Webster +PJC]