coal gap

noun

The time period with few coal deposits from the Permian to middle Jurassic.

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Meanings

nouncoal gap (uncountable)
  1. uncountablegeographyThe time period with few coal deposits from the Permian to middle Jurassic.
Cite this entry
APA

coal gap. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coal%20gap

MLA

“coal gap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coal%20gap. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coal gap,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coal%20gap.

Source: coal gap on Wiktionary, CC BY-SA 4.0.