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单词 Monotremata
释义

Definition of Monotremata in English:

Monotremata

noun ˌmɒnə(ʊ)ˈtriːmətəˌmɒnə(ʊ)ˈtrɛmətə
Zoology
  • Treated as plural. The single order of mammals included in the subclass Prototheria, comprising egg-laying mammals which which have a common opening for the urogenital and digestive systems; animals of this order (collectively or individually), monotremes.

Origin

Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From scientific Latin Monotremata, order name from ancient Greek μονο- + τρηματ-, τρῆμα hole, orifice.

 
 

Definition of Monotremata in US English:

Monotremata

noun
Zoology
  • Treated as plural. The single order of mammals included in the subclass Prototheria, comprising egg-laying mammals which which have a common opening for the urogenital and digestive systems; animals of this order (collectively or individually), monotremes.

Origin

Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From scientific Latin Monotremata, order name from ancient Greek μονο- + τρηματ-, τρῆμα hole, orifice.

 
 
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更新时间:2026/7/19 20:54:40