frustulum

F4R1U1S1T1U1L1U1M3

noun

The silica-based cell wall of a diatom

OriginLatin frustulum →
Scrabble 14
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Meanings

nounfrustulum (plural frustula)

plural frustula

  1. The silica-based cell wall of a diatom

Origin

  1. Latinfrustulum
  2. Englishfrustulum

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

More words from Latin

Full word history & related roots →
Cite this entry
APA

frustulum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/frustulum

MLA

“frustulum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/frustulum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “frustulum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/frustulum.

Source: frustulum on Wiktionary, CC BY-SA 4.0.