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paramecium

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noun, par·a·me·cium \ˌpa-rə-ˈmē-sh(ē-)əm, -sē-əm\

Definition of paramecium

plural parameciaplay \-sh(ē-)ə, -sē-ə\ also parameciums

  1. :  any of a genus (Paramecium) of ciliate chiefly freshwater protozoans that have an elongate body rounded at the anterior end and an oblique funnel-shaped buccal groove bearing the mouth at the extremity



Origin of paramecium

New Latin, from Greek paramēkēs oblong, from para- + mēkos length; akin to Greek makros long — more at meager


First Known Use: 1752


PARAMECIUM Defined for Kids

paramecium

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noun par·a·me·cium \ˌper-ə-ˈmē-shē-əm, -sē-əm\

Definition of paramecium for Students

plural paramecia \-shē-ə, -sē-ə\ also parameciums

  1. :  a tiny living thing found in water that is a single cell shaped like a slipper and moves by means of cilia




Medical Dictionary

paramecium

play
noun par·a·me·cium \ˌpar-ə-ˈmē-sh(ē-)əm, -sē-əm\

Medical Definition of paramecium

  1. 1 capitalized :  a genus of ciliate protozoans that have an elongate body rounded at the anterior end and an oblique funnel-shaped buccal groove bearing the mouth at the extremity

  2. 2plural paramecia \-sh(ē-)ə, -sē-ə\play also parameciums :  any ciliate protozoan of the genus Paramecium




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