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 (păr′ə-mē′sē-əm, -shē-əm)
n. pl. par·a·me·ci·a (-sē-ə, -shē-ə) or par·a·me·ci·ums
Any of various slipper-shaped freshwater ciliate protozoans of the genus Paramecium, having an oral groove for feeding.

[New Latin Paramēcium, genus name, from Greek paramēkēs, oblong in shape : para-, alongside; see para-1 + mēkos, length; see māk- in Indo-European roots.]




n, pl -cia (-sɪə)
(Animals) any freshwater protozoan of the genus Paramecium, having an oval body covered with cilia and a ventral ciliated groove for feeding: phylum Ciliophora (ciliates)
[C18: New Latin, from Greek paramēkēs elongated, from para-1 + mēkos length]


(ˌpær əˈmi ʃi əm, -ʃəm, -si əm)

n., pl. -ci•a (-ʃi ə, -si ə)
a freshwater protozoan of the genus Paramecium, having an oval body with a long, deep oral groove and a fringe of cilia.
[1745–55; < New Latin < Greek paramḗk(ēs) oblong, oval (para- para-1 + -mēkēs, adj. derivative of mêkos length) + New Latin -ium -ium2]


Plural paramecia or parameciums
Any of various freshwater protozoans that are usually oval in shape and that move by means of cilia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.paramecium - any member of the genus Parameciumparamecium - any member of the genus Paramecium  
ciliate, ciliated protozoan, ciliophoran - a protozoan with a microscopic appendage extending from the surface of the cell
genus Paramecium - freshwater ciliate with an oval body and long deep oral groove