网站首页  汉语  德语  英语

请输入您要查询的英文单词:

 

单词 frustule
释义

Definition of frustule in English:

frustule

noun ˈfrʌstjuːlˈfrəsˌtʃul
Botany
  • The silicified cell wall of a diatom, consisting of two valves or overlapping halves.

    〔植〕硅藻细胞壳

    Example sentencesExamples
    • The following group of pictures is of diatom frustules which have been prepared by treatment with strong acid to remove all organic traces in order to best display the intricate frustule markings.
    • Observe the diatom frustule below at right, in which the two halves have been pushed slightly askew.
    • Bacteria accelerate silica dissolution in the sea by colonizing and enzymatically degrading the organic matrix of diatom frustules.
    • Like its brethren, it is encased by a frustule, a rigid cell wall delicately marked with pores in patterns distinctive enough for scientists to tell the species apart.
    • Because the frustule cannot grow once it has been laid down, the mean size of a dividing population of diatoms gets smaller and smaller with time.

Origin

Mid 19th century: from Latin frustulum, diminutive of frustum (see frustum).

Definition of frustule in US English:

frustule

nounˈfrəsˌCHo͞olˈfrəsˌtʃul
Botany
  • The silicified cell wall of a diatom, consisting of two valves or overlapping halves.

    〔植〕硅藻细胞壳

    Example sentencesExamples
    • Observe the diatom frustule below at right, in which the two halves have been pushed slightly askew.
    • Because the frustule cannot grow once it has been laid down, the mean size of a dividing population of diatoms gets smaller and smaller with time.
    • Bacteria accelerate silica dissolution in the sea by colonizing and enzymatically degrading the organic matrix of diatom frustules.
    • The following group of pictures is of diatom frustules which have been prepared by treatment with strong acid to remove all organic traces in order to best display the intricate frustule markings.
    • Like its brethren, it is encased by a frustule, a rigid cell wall delicately marked with pores in patterns distinctive enough for scientists to tell the species apart.

Origin

Mid 19th century: from Latin frustulum, diminutive of frustum (see frustum).

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 14:27:09