monotreme

See also: monotrème

English

Etymology

From mono- + -treme.

Pronunciation

  • Hyphenation: mo‧no‧treme

Noun

monotreme (plural monotremes)

Ventral view of a female echidna, a monotreme, showing single orifice.
  1. (zoology) a mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group

Derived terms

Translations

Adjective

monotreme (not comparable)

  1. (palynology, of a pollen grain) Having a single trema, or aperture.
    • 1952, G. Erdtman, Pollen Morphology and Plant Taxonomy, published 1986, →ISBN, page 548:
      Nomotreme fern and moss spores are monotreme.
    Synonyms: 1-treme, monoaperturate

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