petrology

noun pe·trol·o·gy \pə-ˈträ-lə-jē, pe-\

Definition of PETROLOGY

: a science that deals with the origin, history, occurrence, structure, chemical composition, and classification of rocks

— pet·ro·log·ic \ˌpe-trə-ˈlä-jik\ or pet·ro·log·i·cal \-ji-kəl\ adjective

— pet·ro·log·i·cal·ly \-ji-k(ə-)lē\ adverb

— pe·trol·o·gist \pə-ˈträ-lə-jist, pe-\ noun

International Scientific Vocabulary

First Known Use: 1811

Next Word in the Dictionary: petromyzonPrevious Word in the Dictionary: petrolizeAll Words Near: petrology

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