pleurosigma definition

  • noun:
    • A genus of diatoms of elongated elliptical form, but getting the sides slightly curved by means of a letter S. Pleurosigma angulatum has actually really good striations, and is a well liked object for testing the high powers of microscopes.
    • A genus of Diatomace√¶, containing species in which the valves show, with a decent microscope, a number of outlines, able, under large powers and a favorable light, of quality into dots, and so furnishing exceptional tests for the power of a microscope.

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  • Definition for "pleurosigma"
    • A genus of diatoms of elongated elliptical form,…
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  • Sentence for "pleurosigma"
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