rotifer
noun
ro·ti·fer
ˈrō-tə-fər 
: any of a class (Rotifera of the phylum Aschelminthes) of minute usually microscopic but many-celled chiefly freshwater aquatic invertebrates having the anterior end modified into a retractile disk bearing circles of strong cilia that often give the appearance of rapidly revolving wheels
Examples of rotifer in a Sentence
Recent Examples on the Web
Each daughter rotifer is a perfect copy of her mother.
—
Byphie Jacobs, science.org, 18 July 2024
Microscopic animals called rotifers, for example, require less than a millionth of a calorie to make one offspring.
—Carl Zimmer, San Diego Union-Tribune, 28 May 2024
One candidate, a microscopic animal called a rotifer that is a natural predator in estuaries, looks promising.
—Patrick Huyghe, Discover Magazine, 11 Nov. 2019
The ones that help the rotifer survive are kept around in the population--some perform useful functions, like breaking certain chemical bonds--while those that don't help die off.
—Discover Magazine, 13 Feb. 2012
See all Example Sentences for rotifer 
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Byphie Jacobs, science.org, 18 July 2024
Microscopic animals called rotifers, for example, require less than a millionth of a calorie to make one offspring.
—Carl Zimmer, San Diego Union-Tribune, 28 May 2024
One candidate, a microscopic animal called a rotifer that is a natural predator in estuaries, looks promising.
—Patrick Huyghe, Discover Magazine, 11 Nov. 2019
The ones that help the rotifer survive are kept around in the population--some perform useful functions, like breaking certain chemical bonds--while those that don't help die off.
—Discover Magazine, 13 Feb. 2012
See all Example Sentences for rotifer
Dictionary Entries Near rotifer
Cite this Entry
“Rotifer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotifer. Accessed 8 Feb. 2025.
Copy CitationKids Definition
rotifer
noun
ro·ti·fer
ˈrōt-ə-fər
: any of a class of tiny aquatic invertebrate animals with circles of cilia on one end that look like moving wheels when moving
Medical Definition
rotifer
noun
ro·ti·fer
ˈrōt-ə-fər
: any member of the class Rotifera
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