petrology

pe·trol·o·gy

noun \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

Origin of PETROLOGY

International Scientific Vocabulary

First Known Use: 1811

Rhymes with PETROLOGY

chronology, gemology, graphology, horology, neurology, oology, pathology, psychology, technology, trichology, urology