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growan

[groh-uh n, grou-]
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noun
  1. decomposed granite.

Origin of growan

1745–55; < Cornish *growan (cognate with Breton grouan), derivative of grou gravel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for growan

Historical Examples

  • They occur both in the “killas” or clay-slate, and in the “growan” or granite.

    Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3

    Various

  • The patent was obtained in 1768, and the materials were described as growan stone and growan clay.

  • Growan stone and Cornish Kaolin were added to the cream ware body, which enabled earthenware to compete successfully with china.