fumulus

F4U1M3U1L1U1S1

noun

A very thin cloud resembling a veil, especially one formed of water droplets from a rising plume (from a cooling tower etc)

Scrabble 12
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Meanings

nounfumulus (plural fumuli)

plural fumuli

  1. A very thin cloud resembling a veil, especially one formed of water droplets from a rising plume (from a cooling tower etc)

Origin

Blend of fume + cumulus.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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