diatom

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Related to Diatomaceae: Diatomea

di·a·tom

(dī'ă-tom),
An individual of microscopic unicellular algae, the shells of which comprise a sedimentary infusorial earth.
[G. diatomos, cut in two]
Farlex Partner Medical Dictionary © Farlex 2012

diatom

(dī′ə-tŏm′)
n.
Any of various microscopic one-celled or colonial heterokonts of the class Bacillariophyceae that are photosynthetic, have a silica cell wall made up of two interlocking parts, and form an important component of phytoplankton.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

diatom

a member of the BACILLARIOPHYCEAE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Descriptions of diatomaceae observed in Californian guano.
New species of Diatomaceae, collected by the United States Exploring expeditions under the command of Capt.
Remarks on the Marine Diatomaceae Found at Hong Kong with descriptions of New Species.
Notes on new and rare species of Diatomaceae of the United States seabord.
A history of infusoria, including the Desmidiaceae and Diatomaceae, Bristish and Foreign.