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词汇 Odontoceti
释义

Definition of Odontoceti in English:

Odontoceti

plural noun əʊˌdɒntə(ʊ)ˈsiːtiōˌdän(t)əˈsēdē
Zoology
  • A division of the whales that comprises the toothed whales.

    〔动〕齿鲸亚目

    Suborder Odontoceti, order Cetacea

    Example sentencesExamples
    • Modern whales may be divided into two subgroups: the Odontoceti (toothed whales) and the Mysticeti (baleen whales).
    • In the Late Oligocene, a fundamental split occurred between the Odontoceti and the Mysticeti.
    • The extant sub-orders are the Mysticeti (baleen whales) and the Odontoceti (toothed whales).

Derivatives

  • odontocete

  • adjective & noun
    Zoology
    • Like other odontocetes, delphinids echolocate and may even use high-intensity sound to stun their prey.
      Example sentencesExamples
      • Both the mysticetes and odontocetes are thought to be descendants of the archaeocetes.
      • This structure is derived from the melon of other odontocetes, and like the melon, may serve as a sort of acoustic lens.
      • Dolphins and porpoises are examples of odontocetes, as are belugas, narwhals, killer whales, sperm whales, and beaked whales.
      • Within odontocete cetaceans, variation in body design affects stability and turning performance.

Origin

Modern Latin (plural), from Greek odous, odont- 'tooth' + ceti 'of a whale' (genitive of cetus, from Greek kētos 'whale').

Definition of Odontoceti in US English:

Odontoceti

plural nounōˌdän(t)əˈsēdē
Zoology
  • The taxonomic division that comprises the toothed whales.

    〔动〕齿鲸亚目

    Suborder Odontoceti, order Cetacea

    Example sentencesExamples
    • Modern whales may be divided into two subgroups: the Odontoceti (toothed whales) and the Mysticeti (baleen whales).
    • The extant sub-orders are the Mysticeti (baleen whales) and the Odontoceti (toothed whales).
    • In the Late Oligocene, a fundamental split occurred between the Odontoceti and the Mysticeti.

Origin

Modern Latin (plural), from Greek odous, odont- ‘tooth’ + ceti ‘of a whale’ (genitive of cetus, from Greek kētos ‘whale’).

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