1. noun
A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group.
See Also: trema, Monotremata, monotrematic
Having a single trema, or aperture
Syn: 1-treme, monoaperturate
See Also: trema, anatreme, catatreme, nomotreme, pantotreme, zonotreme

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  • monotrème — [ mɔnɔtrɛm ] adj. et n. m. • 1834; de mono et gr. trêma « orifice » ♦ Zool. Qui n a qu un seul orifice pour le rectum, les conduits urinaires et les conduits génitaux (⇒ cloaque). ♢ N. m. pl. LES MONOTRÈMES :ordre de mammifères ovipares… …   Encyclopédie Universelle

  • Monotreme — Mon o*treme, n. [Cf. F. monotr[ e]me.] (Zo[ o]l.) One of the Monotremata. [1913 Webster] …   The Collaborative International Dictionary of English

  • monotreme — MONOTRÉME Ordin de mamifere ovipare, având ca tip ornitorincul; (la sg.) animal din acest ordin. [sg. monotrem. / < fr. monotrèmes, cf. gr. monos – unic, trema – orificiu]. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • monotreme — [män′ō trēm΄, män′ətrēm΄] n. [< ModL Monotremata < Gr monos, single (see MONO ) + trēma, a hole < IE base * ter , to rub, drill > THROW] any of the lowest order (Monotremata) of mammals, consisting of the platypus and the echidnas,… …   English World dictionary

  • Monotreme — Monotremes[1] Temporal range: 123–0 Ma …   Wikipedia

  • monotreme — /mon euh treem /, n. any animal of the Monotremata, the most primitive order of mammals, characterized by certain birdlike and reptilian features, as hatching young from eggs, and having a single opening for the digestive, urinary, and genital… …   Universalium

  • Monotrème — Monotremata Monotrèmes …   Wikipédia en Français

  • monotreme — mon•o•treme [[t]ˈmɒn əˌtrim[/t]] n. mam any egg laying mammal of the order Monotremata, comprising only the duckbill and the echidnas of Australia and New Guinea • Etymology: 1825–35; < F monotrème < NL monotrematus=mono mono + trematus… …   From formal English to slang

  • monotreme — noun Etymology: New Latin Monotremata, from Greek mon + trēmat , trēma hole more at trematode Date: 1835 any of an order (Monotremata) of egg laying mammals comprising the platypuses and echidnas …   New Collegiate Dictionary

  • Monotreme — Kloakentiere Schnabeltier (Ornithorhynchus anatinus) Systematik Unterstamm: Wirbeltiere (Vertebrata) …   Deutsch Wikipedia

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