frustule

Use Frustule in a sentence

noun Botany.

the siliceous cell wall of a diatom.

Origin:
1855–60; < French < Late Latin frustulum, diminutive of frustum frustum

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World English Dictionary

frustule (ˈfrʌstjuːl)

—n
	botany the hard siliceous cell wall of a diatom

[C19: from French, from Late Latin frustulum a small piece, from frustum a bit]

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American Heritage

Science Dictionary

frustule

(frŭs'ch

l) Pronunciation Key
The silica-rich cell wall of a diatom. Frustules are divided into two halves, and the intricate patterns of depressions and projections on each half help to identify individual diatom species.

Example sentences

It nay often be overlooked because of its extremely delicate frustule, which is almost invisible even under phase optics.

Its frustule is a form of armor that can protect the diatoms from predators.

All non-diatoms were counted and identified during this step as well as total viable diatom frustule number.

Each of these side buds develops into a tiny, cigar-shaped larva called a frustule.

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frustule

frus·tule