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Thesaurus: pleurosigma

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 mi…

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Definitions

  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.
  2. 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.
  3. A genus of diatoms of elongated elliptical shape, but havingthe sides slightly curved in the form of a letter S. Pleurosigmaangulatum has very fine striations, and is a favorite object fortesting the high powers of microscopes.