frustule

[ fruhs-chool ]
/ ˈfrʌs tʃul /

noun Botany.

the siliceous cell wall of a diatom.

Origin of frustule

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

Example sentences from the Web for frustule

British Dictionary definitions for frustule

frustule
/ (ˈfrʌstjuːl) /

noun

botany the hard siliceous cell wall of a diatom

Word Origin for frustule

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

Scientific definitions for frustule

frustule
[ frŭschōōl ]

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.