fibrillating

F4I1B3R1I1L1L1A1T1I1N1G2

adjective

Splitting into fibrils or fibres.

Scrabble 18
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Meanings

verb
  1. gerundparticiplepresentpresent participle and gerund of fibrillate
adjectivefibrillating (comparative more fibrillating, superlative most fibrillating)

comparative more fibrillating · superlative most fibrillating

  1. Splitting into fibrils or fibres.
  2. Of a muscle, especially in the heart: undergoing fibrillation; quivering.

    A publicity plane flew along the Croisette, its pennant fluttering like the trace of a fibrillating heart, unnoticed by the sunbathers stretched in their loungers in the hotel concessions.

    2000, JG Ballard, Super-Cannes, Fourth Estate, published 2011, page 107

Origin

From fibrillate + -ing.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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