Lexic.us

Definition of Pleurosigma

1. 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.

Medical Definition of Pleurosigma

1. 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. Origin: NL. See Pleuro-, and Sigma. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Pleurosigma

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