petrography

noun pe·trog·ra·phy \ pə-ˈträ-grə-fē , pe- \

Definition of petrography

: the description and systematic classification of rocks

petrographer

play \pə-ˈträ-grə-fər, pe-\ noun

petrographic

play \ˌpe-trə-ˈgra-fik\ or petrographical play \ˌpe-trə-ˈgra-fi-kəl\ adjective

petrographically

play \ˌpe-trə-ˈgra-fi-k(ə-)lē\ adverb

Origin and Etymology of petrography

New Latin petrographia, from petr- + Latin -graphia -graphy


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allowing a liquid or gas to pass through

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