• synonyms

rock hound

or rock·hound

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noun Informal.
  1. a geologist.
  2. an amateur collector of rocks, fossils, or minerals.
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Origin of rock hound

An Americanism dating back to 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for rock-hound


1921, from rock (n.1) + hound (n.). Used variously of geologists, mineralogists, and amateur collectors.

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Online Etymology Dictionary, © 2010 Douglas Harper