petro- combining form - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of petro- combining form from the Oxford Advanced American Dictionary

petro-

combining form

NAmE//ˈpɛtroʊ//

(in nouns, adjectives, and adverbs)

1connected with rocks petrology

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2connected with gas petrochemical

See petro- in the Oxford Advanced Learner's Dictionary

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