paramecium
noun
any ciliated freshwater protozoan of the genus Paramecium, having an oval body and a long, deep oral groove.
paramecia
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pluralof paramecium.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For example, paramecia and amoebas, which are protists that lack cell walls, have contractile vacuoles.
From Textbooks ● Jun. 9, 2022
But when it was inactivated by freezing, and then mixed in carefully measured proportions with healthy guinea-pig serum, the mixture developed a toxic factor which killed paramecia.
From Time Magazine Archive
Roskin proceeded to test the serum of cancerous rabbits, then of human patients, found to his delight that when properly prepared, it was highly toxic to paramecia.
From Time Magazine Archive
Classical genetics took some punishment from Professor T. M. Sonneborn of Indiana University, who headed a symposium on paramecia.
From Time Magazine Archive
In the boiling water the frankfurters swished and lashed like artificially colored and magnified paramecia.
From "A Confederacy of Dunces" by John Kennedy Toole
