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).

词汇	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).
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