diatomaceous earth
noun
a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc.
Origin of diatomaceous earth
First recorded in 1880–85
Words nearby diatomaceous earth
diathermic,
diathermy,
diathesis,
diatom,
diatomaceous,
diatomaceous earth,
diatomic,
diatomite,
diatonic,
diatonicism,
diatreme
Example sentences from the Web for diatomite
The bluish pellets of diatomite soaked in hydrocyanic acid were poured through chutes.
Diatomite is principally used for the manufacture of dynamite on account of its value as an absorbent.
The New Gresham Encyclopedia |Various
British Dictionary definitions for diatomite (1 of 2)
diatomite
/ (daɪˈætəˌmaɪt) /
noun
a soft very fine-grained whitish rock consisting of the siliceous remains of diatoms deposited in the ocean or in ponds or lakes. It is used as an absorbent, filtering medium, insulator, filler, etc
See also diatomaceous earth
British Dictionary definitions for diatomite (2 of 2)
diatomaceous earth
noun
an unconsolidated form of diatomite
Also called: kieselguhr
Medical definitions for diatomite
diatomaceous earth
[ dī′ə-tə-mā′shəs, dī-ăt′ə- ]
n.
A powder made of the desiccated shells of diatoms, used as a filtering agent, adsorbent, and abrasive in many chemical operations.
Scientific definitions for diatomite
diatomite
[ dī-ăt′ə-mīt′ ]
A fine, light-colored, friable sedimentary rock consisting mainly of the silica-rich cell walls of diatoms. Diatomite forms both in lacustrine and marine environments. It is used in industry as a filler, filtering agent, absorbent, abrasive, and insulator.