Definition of oligotrich in English:

oligotrich

adjective

Biology
  • Of, relating to, or belonging to a group (now the order Oligotrichida) of ciliate protozoans characterized by conspicuous cilia in the mouth region and (usually) a lack of body cilia.

noun

Biology
  • A protozoan of this group.

Origin

1930s; earliest use found in Quarterly Review of Biology. After scientific Latin Oligotricha; compare Oligotrichina, Oligotrichida.