from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The branch of geology that deals with the origin, composition, structure, and alteration of rocks.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the study of the origin, composition and structure of rock

from the GNU version of the Collaborative International Dictionary of English

  • n. The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.
  • n. A treatise on petrology.

from The Century Dictionary and Cyclopedia

  • n. The study of rocks from the point of view of their mineralogical composition; lithology; petrography. By some this term is used in a more limited sense. See the quotation, and also petrography.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the branch of geology that studies rocks: their origin and formation and mineral composition and classification


from Wiktionary, Creative Commons Attribution/Share-Alike License

From petro- + -logy.


  • This word petrology should be understood not from the more familiar oil of rocks but from what is in English an apparent pun by Jesus in the New Testament.

    The Right Word in the Right Place at the Right Time

  • "Oh yes ... petrology, which is, of course, the broad study of rocks including their interpretation and description.

    Noble House

  • "Oh yes … petrology, which is, of course, the broad study of rocks including their interpretation and description.

    Noble House

  • He was a genius at petrology structure and composition of rocks, and produced the applications of the interiors of the Earth, the planets and moons.

    Universe Puzzle No. 6 | Universe Today

  • From igneous petrology: anatexis = fusion = melting

    microscopic is tinier than miniscule

  • Anyway I then headed over to the UCL campus and turned up to the lecture room and panicked that there where undergraduates in there with microscopes and the like doing some petrology.

    Snell-Pym » A talk on giving talks

  • Geologists can reconstruct these events by combining studies on the origins of rocks (petrology) and rock layering (stratigraphy) with the evolution of life (paleontology).

    AP Environmental Science Chapter 3- The Solid Earth

  • Igneous and metamorphic petrology of lavas and dykes of the Macquarie Island ophiolite complex.

    MacQuarie Island, Australia

  • Oh, that one's a P.Geo - a professional geologist - is can log drill holes, update and construct geological models, they are experts in igneous and metamorphic petrology and petrography, hydrogeology, sedimentolgoy and structural geology.

    geologist monkeys

  • But it really reminded me of second year ingneos petrology at least I think thats what he was teaching with Stephan Matthai - sometimes I wish my brain worked properlly :/

    Snell-Pym » Deep Stuff


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