any one of different freshwater ciliate protozoans for the genus Paramecium, typically oval and achieving an oral groove for feeding.
An oval-shaped protozoan system of the genus Paramecium.
the conventional genus of Parameciidæ; the slipper-animalcules, having a soft versatile cuticle and oblique adoral groove. P. bursarium is a good example. Commonly, but incorrectly, Paramæcium or Paramœicium.
[lowercase; pl. paramecia (-ä).] A member of this genus.