smoke-shade

noun

A tint measured from 0 to 10 on a scale for comparing different varieties of coal according to the amount of unburnt carbon in their smoke.

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Meanings

nounsmoke-shade (plural smoke-shades)

plural smoke-shades

  1. archaicA tint measured from 0 to 10 on a scale for comparing different varieties of coal according to the amount of unburnt carbon in their smoke.
Cite this entry
APA

smoke-shade. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/smoke-shade

MLA

“smoke-shade.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/smoke-shade. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “smoke-shade,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/smoke-shade.

Source: smoke-shade on Wiktionary, CC BY-SA 4.0.