Definitions

from The Century Dictionary.

  • noun Ligniform asbestos. It is of a brown color, and in its general appearance greatly resembles fossil wood.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) Ligniform asbestus; also, fossil wood.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy ligniform asbestos
  • noun mineralogy fossil wood

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

rock +‎ wood

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