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单词 Hystricomorpha
释义

Definition of Hystricomorpha in English:

Hystricomorpha

plural nounˌhɪstrɪkə(ʊ)ˈmɔːfəˌhistrikōˈmôrfə
Zoology
  • A major division of the rodents which includes the guinea pigs, coypu, porcupines and their relatives. They occur chiefly in South America.

    〔动〕豪猪亚目

    Suborder Hystricomorpha, order Rodentia

    Example sentencesExamples
    • The Old World members of this group are sometimes placed in a separate group called the porcupine-like rodents (Hystricomorpha).
    • The Guinea Pig, Cavia porcellus, is a mammal of the order Rodentia, sub-order Hystricomorpha and family Caviidae.

Derivatives

  • hystricomorph

  • noun & adjective
    Zoology
    • The myomorph and sciuromorph taxa are included in the Sciurognathi, while most hystricomorphs are in the Hystricognathi.
      Example sentencesExamples
      • Nevertheless, hystricomorph rodents are an exception among mammals, possessing an insulin molecule with many amino acid substitutions.

Origin

Modern Latin (plural), from Latin hystrix, hystric- 'porcupine' (from Greek hustrix) + morphē 'form'.

Definition of Hystricomorpha in US English:

Hystricomorpha

plural nounˌhistrikōˈmôrfə
Zoology
  • A major division of the rodents that includes the guinea pigs, porcupines, coypu, and their relatives. They occur chiefly in South America.

    〔动〕豪猪亚目

    Suborder Hystricomorpha, order Rodentia

    Example sentencesExamples
    • The Guinea Pig, Cavia porcellus, is a mammal of the order Rodentia, sub-order Hystricomorpha and family Caviidae.
    • The Old World members of this group are sometimes placed in a separate group called the porcupine-like rodents (Hystricomorpha).

Origin

Modern Latin (plural), from Latin hystrix, hystric- ‘porcupine’ (from Greek hustrix) + morphē ‘form’.

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更新时间:2025/7/3 16:45:55