网站首页  汉语  德语  英语

请输入您要查询的英文单词:

 

单词 coccolith
释义

Definition of coccolith in English:

coccolith

noun ˈkɒkəlɪθˈkäkəˌliTH
Biology
  • A minute rounded calcareous platelet, numbers of which form the spherical shells of coccolithophores.

    〔生〕球石(粒)

    Example sentencesExamples
    • The living cell possesses a gelatinous sheath in which are embedded calcareous plates termed coccoliths.
    • Like the rest of the world's seas, the Sargasso Sea has a population of the subsurface algae called coccoliths as well as planktonic foraminifera.
    • At this rate it is possible to produce an average 100 metre thickness of coccoliths as calcareous ooze on the ocean floor in less than 200 years.
    • Chalk, though it may include shell fragments, is predominantly composed of coccoliths from planktonic algae, forming fine-grained limestone.
    • The team did not limit themselves to foraminifera but used other planktonic groups such as the coccoliths and radiolaria.

Origin

Mid 19th century: from Greek kokkos 'grain or berry' + lithos 'stone'.

Definition of coccolith in US English:

coccolith

nounˈkäkəˌliTH
Biology
  • A minute rounded calcareous platelet, numbers of which form the spherical shells of coccolithophores.

    〔生〕球石(粒)

    Example sentencesExamples
    • Chalk, though it may include shell fragments, is predominantly composed of coccoliths from planktonic algae, forming fine-grained limestone.
    • Like the rest of the world's seas, the Sargasso Sea has a population of the subsurface algae called coccoliths as well as planktonic foraminifera.
    • The team did not limit themselves to foraminifera but used other planktonic groups such as the coccoliths and radiolaria.
    • At this rate it is possible to produce an average 100 metre thickness of coccoliths as calcareous ooze on the ocean floor in less than 200 years.
    • The living cell possesses a gelatinous sheath in which are embedded calcareous plates termed coccoliths.

Origin

Mid 19th century: from Greek kokkos ‘grain or berry’ + lithos ‘stone’.

随便看

 

雅致网英汉双解词典包含236457条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。

 

Copyright © 2002-2024 53pku.com All Rights Reserved
更新时间:2025/6/19 6:32:07