| diatom |
microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
출처: wordnet.princeton.edu/perl/webwn
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| diatomaceous earth |
a light soil consisting of siliceous diatom remains and often used as a filtering material
출처: wordnet.princeton.edu/perl/webwn
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| diatomic |
of or relating to a molecule made up of two atoms; "a diatomic molecule"
출처: wordnet.princeton.edu/perl/webwn
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| diatomite |
diatomaceous earth: a light soil consisting of siliceous diatom remains and often used as a filtering material
출처: wordnet.princeton.edu/perl/webwn
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| diatomaceous earth |
Diatomaceous earth, also known as diatomite, kieselguhr, kieselgur, and Celite, is a naturally occurring, soft, chalk-like, sedimentary rock mineral that is easily crumbled into a fine white to off-white powder. This powder has an abrasive feeling similar to pumice powder and is very light-weighed due to its high porosity. It is made primarily of silica and consists of fossilized remains of diatoms, a type of hard-shelled algae. ...
출처: en.wikipedia.org/wiki/Diatomaceous_earth
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