Medical Dictionary


noun bal·an·tid·i·um \ˌbal-ən-ˈtid-ē-əm\

Medical Definition of balantidium

  1. 1 capitalized :  a genus of large parasitic ciliate protozoans (order Heterotricha) including one (B. coli) that infests the intestines of some mammals and especially swine and may cause a chronic ulcerative dysentery in humans

  2. 2plural balantidia \-ē-ə\play :  a protozoan of the genus Balantidium


\-ē-əl\play or


\-ˈtid-ik\play adjective

Seen and Heard

What made you want to look up balantidium? Please tell us where you read or heard it (including the quote, if possible).