monotreme

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mon·o·treme

(mŏn′ə-trēm′)
n.
Any of various egg-laying mammals of the order Monotremata of Australia and New Guinea, whose only living members are the platypus and the echidnas.
[From New Latin Monotrēmata, order name : mono- + Greek trēma, trēmat-, perforation (from the fact that they have a single cloaca rather than an anus separate from genital and urinary orifices, as in placental mammals and marsupials); see terə- in Indo-European roots.]
mon′o·trem′a·tous (-trĕm′ə-təs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

monotreme

(ˈmɒnəʊˌtriːm)
n
(Animals) any mammal of the primitive order Monotremata, of Australia and New Guinea: egg-laying toothless animals with a single opening (cloaca) for the passage of eggs or sperm, faeces, and urine. The group contains only the echidnas and the platypus
[C19: via New Latin from mono- + Greek trēma hole]
monotrematous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mon•o•treme

(ˈmɒn əˌtrim)

n.
any egg-laying mammal of the order Monotremata, comprising only the duckbill and the echidnas of Australia and New Guinea.
[1825–35; < French monotrème < New Latin monotrematus=mono- mono- + -trematus -holed, adj. use of Greek trêma, s. trēmat- hole, perforation; see -ous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

mon·o·treme

(mŏn′ə-trēm′)
The most primitive type of living mammal. Monotremes lay eggs, and the females have no teats but provide milk directly through the skin to their young. Monotremes include only the duck-billed platypus, found in Australia and New Guinea, and the echidnas, found only in New Guinea.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun 1. [画像:monotreme - the most primitive mammals comprising the only extant members of the subclass Prototheria]monotreme - the most primitive mammals comprising the only extant members of the subclass Prototheria
prototherian - primitive oviparous mammals found only in Australia and Tasmania and New Guinea
echidna, spiny anteater, anteater - a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia
echidna, spiny anteater, anteater - a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea
duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus, platypus, duckbill - small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Kloakentier
nefdýr
단공류
stekowce