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coal seam

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noun
  1. a bed of coal.
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Origin of coal seam

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coal seam

Historical Examples

  • The mining engineer, Monsieur Arnaud, was of opinion that on sinking deeper into the coal-seam a better quality would be met with.

    Cruise of the 'Alert'

    R. W. Coppinger