frustule

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English[edit]

Etymology[edit]

Latin frustulum, from frustum (morsel).

Noun[edit]

frustule (plural frustules)

  1. (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 ...

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Anagrams[edit]