protofibril

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noun

An elongated cluster of cells that grows into a fibril.

OriginEnglish fibril ← Ancient Greek πρωτο- (prōto-) ← Proto-Indo-European *pró →
Scrabble 18
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Meanings

nounprotofibril (plural protofibrils)

plural protofibrils

  1. anatomyAn elongated cluster of cells that grows into a fibril.

Origin

  1. Proto-Indo-European*per-der.?
  2. Proto-Indo-European*pér
  3. Proto-Indo-European*pró
  4. Ancient Greekπρό (pró)
  5. Ancient Greekπρῶτος (prôtos)
  6. Ancient Greekπρωτο- (prōto-)
  7. Englishproto-
  8. Englishfibril
  9. Englishprotofibril

From proto- + fibril.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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