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

  • n. A protozoan of the phylum Rhizopoda, such as an amoeba or a radiolarian, characteristically moving and taking in food by means of pseudopods.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A member of the taxonomic superclass of Rhizopoda being a type of amoeboid single cell life with pseudopods not supported by regular array of microtubules.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the Rhizopoda.

from The Century Dictionary and Cyclopedia

  • Provided with pseudopods, as an animalcule: having processes of sarcode, as if roots, by means of which the animalcule is attached or moves; root-footed; specifically, of or pertaining to the Rhizopoda, in any sense. Also rhizopodous.
  • n. A member of the Rhizopoda, in any sense.
  • n. In botany, same as rhizopodium.

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

  • n. protozoa characterized by a pseudopod


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

From New Latin Rhizopoda, phylum name : rhizo- + New Latin -poda, -pod.



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  • "'Perhaps if he were given a microscope, a good compound microscope with a variety of eyepieces and an ample stage, he might take great pleasure in some of the smaller forms, the rhizopods, the rotifera, the parasites of lice themselves... I knew an old gentleman, an Anglican parson, who delighted in mites.'"

    --Patrick O'Brian, The Nutmeg of Consolation, 353

    March 9, 2008