| Infusoria |
Microscopic or minute animal life which commonly occurs in water containing decaying organic matter. Includes paramecia, euglena, desmids, rotifers and others. Cultivated as food for Fry and small fishes.
출처: www.aquahobby.com/articles/e_glossary.php
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| infusorial e. |
a silicon-rich earth composed mostly of fragments of diatoms; by boiling with dilute hydrochloric acid, washing, and calcining, it can be so purified as to be a very pure form of silica (terra silicea purificata). It is often mixed with clay and used in various industries. See also diatomite. Called also diatomaceous e.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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