请输入您要查询的英文单词:

 

单词 pteropod
释义

Definition of pteropod in English:

pteropod

noun ˈtɛrəpɒdˈtɛrəˌpɑd
Zoology
  • A sea butterfly.

    Example sentencesExamples
    • The pteropod, Cfione limacina (Order: Gymnosomata) differs from the nudibranchs and notaspids discussed so far in that it swims continuously using paired parapodial appendages that resemble wings.
    • Initially, Walcott considered Matthevia to be a snail, either a pteropod or a new form of equivalent rank, although he made this assignment with reservation.
    • The unusual relationship between the pelagic mollusc Clione antarctica, a pteropod, and its amphipod abductor has been described as ‘antagonistic symbiosis’.
    • These all feed on pteropods, or sea butterflies, one of the species most threatened by rising acidity.
    • In addition to its operation in some insects, it has been suggested that the flapping mechanism in the pteropod, Clione limacina, uses a clap-and-fling mechanism.
    • The commonest macrofaunal elements of the Carriacou succession are benthic molluscs, pteropods, scleractinian corals and, particularly in the Grand Bay Formation, articulate brachiopods (Donovan and Harper, 1997, in press).

Origin

Mid 19th century: from modern Latin Pteropoda (plural), from Greek pteron 'wing' + pous, pod- 'foot'.

 
 

Definition of pteropod in US English:

pteropod

nounˈterəˌpädˈtɛrəˌpɑd
Zoology
  • A small mollusk with winglike extensions to its body that it uses for swimming.

    Orders Thecosomata (with shells) and Gymnosomata (lacking shells), class Gastropoda

    Example sentencesExamples
    • The pteropod, Cfione limacina (Order: Gymnosomata) differs from the nudibranchs and notaspids discussed so far in that it swims continuously using paired parapodial appendages that resemble wings.
    • Initially, Walcott considered Matthevia to be a snail, either a pteropod or a new form of equivalent rank, although he made this assignment with reservation.
    • The commonest macrofaunal elements of the Carriacou succession are benthic molluscs, pteropods, scleractinian corals and, particularly in the Grand Bay Formation, articulate brachiopods (Donovan and Harper, 1997, in press).
    • The unusual relationship between the pelagic mollusc Clione antarctica, a pteropod, and its amphipod abductor has been described as ‘antagonistic symbiosis’.
    • In addition to its operation in some insects, it has been suggested that the flapping mechanism in the pteropod, Clione limacina, uses a clap-and-fling mechanism.
    • These all feed on pteropods, or sea butterflies, one of the species most threatened by rising acidity.

Origin

Mid 19th century: from modern Latin Pteropoda (plural), from Greek pteron ‘wing’ + pous, pod- ‘foot’.

 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 22:28:51