Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of diatom is as below...

Diatomic :: Diatomic (a.) Containing two atoms.

Diatomous :: Diatomous (a.) Having a single, distinct, diagonal cleavage; -- said of crystals..

Tripoli :: Tripoli (n.) An earthy substance originally brought from Tripoli, used in polishing stones and metals. It consists almost wholly of the siliceous shells of diatoms..

Bacillariae :: Bacillariae (n. pl.) See Diatom.

Pleurosigma :: Pleurosigma (n.) A genus of diatoms of elongated elliptical shape, but having the sides slightly curved in the form of a letter S. Pleurosigma angulatum has very fine striations, and is a favorite object for testing the high powers of microscopes..

Frustule :: Frustule (n.) The siliceous shell of a diatom. It is composed of two valves, one overlapping the other, like a pill box and its cover..

Diatomic :: Diatomic (a.) Having two replaceable atoms or radicals.

Diatom :: Diatom (n.) One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use..

Valve :: Valve (n.) One of the two similar portions of the shell of a diatom.

Diatom :: Diatom (n.) A particle or atom endowed with the vital principle.

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