Monotreme

Pronunciation

• Hyphenation: mo + no + treme

Origin

- + -treme

Full definition of monotreme

Noun

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

• monotrematous

Related terms

• trema
• Monotremata
• monotrematic

Adjective

1. (palynology, of a pollen grain) Having a single trema, or aperture
• Nomotreme fern and moss spores are monotreme.

Synonyms

• 1-treme
• monoaperturate

Coordinate terms

• atreme
• bitreme
• tritreme
• tetratreme
• pentatreme
• hexatreme

Related terms

• trema
• anatreme
• catatreme
• nomotreme
• pantotreme
• zonotreme

Anagrams

• metronome, monometer