frustule
Definition from Wiktionary, the free dictionary
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[edit] English
[edit] Etymology
Latin frustulum, from frustum (“morsel”).
[edit] Noun
frustule (plural frustules)
- (botany) The siliceous shell of a diatom.
- Frustule
- A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica ...
- Frustule