from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One who specializes in geology.
  • noun One who collects rocks and minerals, especially gemstones, as a hobby.

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

  • noun idiomatic A person who collects rocks and minerals from the natural environment as a hobby.


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  • Rockhounding is the recreational collecting of rocks and/or mineral specimens from their natural environment. Rock hound, one such collector.

    January 31, 2008