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词汇 actinian
释义

Definition of actinian in English:

actinian

noun akˈtɪnɪənakˈtinēən
Zoology
  • A sea anemone.

    〔动〕海葵

    Example sentencesExamples
    • However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.
    • It has been seen that varying temperatures have a dramatic effect on the growth rates of some actinians.
    • The larger, more conspicuous include other species of cold-water coral, actinians and sponges.
    • Even on reefs, most species of host actinians are inconspicuous, unlike their partner fish.
    • Cold-water coral mound dominated by Lophelia pertusa and colonised by orange actinians and a white anthipathrian.

Origin

Mid 18th century: from the modern Latin genus name Actinia (from Greek aktis, aktin- 'ray') + -an.

Definition of actinian in US English:

actinian

nounakˈtinēən
Zoology
  • A sea anemone.

    〔动〕海葵

    Example sentencesExamples
    • However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.
    • It has been seen that varying temperatures have a dramatic effect on the growth rates of some actinians.
    • Even on reefs, most species of host actinians are inconspicuous, unlike their partner fish.
    • Cold-water coral mound dominated by Lophelia pertusa and colonised by orange actinians and a white anthipathrian.
    • The larger, more conspicuous include other species of cold-water coral, actinians and sponges.

Origin

Mid 18th century: from the modern Latin genus name Actinia (from Greek aktis, aktin- ‘ray’) + -an.

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