frustule

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الإنجليزية - الإنجليزية
The siliceous shell of a diatom

A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica .

It is composed of two valves, one overlapping the other, like a pill box and its cover
frustule

    الواصلة

    frus·tule

    النطق

    علم أصول الكلمات

    () Latin frustulum frustum (“morsel”).
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