Definitions

from The Century Dictionary.

  • Ehrenberg's name (given by him in the form polycistina) of all those radiolarians which were known to him: loosely synonymous with Radiolaria.

from the GNU version of the Collaborative International Dictionary of English.

  • noun plural (Zoöl.) A division of Radiolaria including numerous minute marine species. The skeleton is composed of silica, and is often very elegant in form and sculpture. Many have been found in the fossil state.

Etymologies

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