Frustule definition

frŭscho͝ol, -tyo͝ol
The hard, siliceous bivalve shell of a diatom.
noun
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Either of the two interlocking halves of the hard, siliceous shell of a diatom cell.
noun
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The hard, siliceous bivalve shell of a diatom.
noun
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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.
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(botany) The siliceous shell of a diatom.
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Other Word Forms

Noun

Singular:
frustule
Plural:
frustules

Origin of frustule

  • French from Latin frūstulum diminutive of frūstum piece broken off

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin frustulum, from frustum (“morsel”).

    From Wiktionary