any microscopic animal of the phylum (or class) Rotifera, found in fresh and salt waters, having one or more rings of cilia on the anterior end.
- Also called wheel animalcule.
- ro·tif·er·al [roh-tif-er-uhl], /roʊˈtɪf ər əl/, ro·tif·er·ous, adjective
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How to use rotifer in a sentence
On these occasions the common rotifer was the subject of the experiment.Marvels of Pond-life | Henry J. Slack
The Asplanchna, the mouthless male of a rotifer, (p. 292) alone remains for me.A Monograph on the Sub-class Cirripedia (Volume 2 of 2) | Charles Darwin
On several occasions I have observed them perform a kind of dance, a pas seul, for each rotifer would be alone by itself.The Dawn of Reason | James Weir
This rotifer goes through another performance which I also believe to be simply a pastime.The Dawn of Reason | James Weir
The rotifer vulgaris will even bear revivification several times.
British Dictionary definitions for rotifer
any minute aquatic multicellular invertebrate of the phylum Rotifera, having a ciliated wheel-like organ used in feeding and locomotion: common constituents of freshwater plankton: Also called: wheel animalcule
- rotiferal (rəʊˈtɪfərəl) or rotiferous, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rotifer
Any of various tiny, multicellular aquatic animals of the phylum Rotifera, having a wheel-like ring of cilia at their front ends. The cilia trap small organisms for food. Rotifers are grouped by some scientists together with nematodes and some other invertebrates as aschelminths.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.