We found 21 dictionaries that define the word petrography:

General (16 matching dictionaries)

1. petrography: Merriam-Webster
2. petrography: Oxford Learner's Dictionaries
3. petrography: American Heritage Dictionary of the English Language
4. petrography: Collins English Dictionary
5. Petrography, petrography: Wordnik
6. petrography: Wiktionary
7. petrography: Webster's New World College Dictionary, 4th Ed.
8. petrography: The Wordsmyth English Dictionary-Thesaurus
9. petrography: Infoplease Dictionary
10. petrography: Dictionary.com
11. Petrography: Wikipedia, the Free Encyclopedia
12. Petrography: Online Plain Text English Dictionary
13. petrography: Webster's Revised Unabridged, 1913 Edition
14. Petrography: AllWords.com Multi-Lingual Dictionary
15. petrography: FreeDictionary.org
16. petrography: TheFreeDictionary.com

Computing (1 matching dictionary)

17. petrography: Encyclopedia

Medicine (1 matching dictionary)

18. online medical dictionary (No longer online)

Science (1 matching dictionary)

19. Archaeology Wordsmith (No longer online)

Tech (2 matching dictionaries)

20. Petrography: Gems and Precious Stones
21. Schlumberger Oilfield Glossary (No longer online)

(Note: See petrographer as well.)

Definitions from Wiktionary (petrography) ▸ noun:  (petrology) The branch of petrology that deals with the scientific description and classification of rocks. ▸ noun:  The art of writing on stone. Similar: petrology, petrochemistry, petrogeology, petrophysics, petrogeny, lithology, petrogenesis, petrochemist, petrophysicist, morphology, more... Types: sedimentary, igneous, metamorphic, more... Adjectives: microscopic, sedimentary, descriptive, microscopical, systematic, section, modern, detailed, ceramic, optical, thin ▸ Words similar to petrography ▸ Usage examples for petrography ▸ Idioms related to petrography ▸ Wikipedia articles (New!) ▸ Popular adjectives describing petrography ▸ Words that often appear near petrography ▸ Rhymes of petrography ▸ Invented words related to petrography