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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 pe·trol·o·gy /pəˈtrɑləʤi, pɛ-/
 巖石學

From: Webster's Revised Unabridged Dictionary (1913)

 Pe·trol·o·gy n.
 1. The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.
 2. A treatise on petrology.
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From: WordNet (r) 2.0

 petrology
      n : the branch of geology that studies rocks: their origin and
          formation and composition