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Definition of oligochaetous in English:

oligochaetous

Pronunciation /ˌɒlɪɡə(ʊ)ˈkiːtəs/

adjective

rare Zoology

  • Oligochaete.

Origin

Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From oligochaete + -ous.