• synonyms

rock hound

or rock·hound

See more synonyms for rock hound on Thesaurus.com
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