Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various aquatic, chiefly freshwater protozoans formerly classified in the class Heliozoa, characteristically having numerous spindlelike pseudopods that radiate from a central cell mass.

from The Century Dictionary.

  • Having the character of a sunanimalcule; pertaining to the Heliozoa.
  • noun A sun-animalcule; one of the Heliozoa.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of a group of aquatic protozoans, of the order Heliozoa, that have spherical bodies from which radiate spindlelike pseudopods

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun protozoa with spherical bodies and stiff radiating pseudopods

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From New Latin Hēliozōa, former class name : helio– (from their shape) + -zōa, pl. of -zōon, -zoon.]

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