petro chemistry

petrochemistry

[pe-troh-kem-uh-stree]
noun
1.
the branch of chemistry dealing with petroleum or its products.
2.
the chemistry of rocks.

Origin:
1935–40; petro-2 or petro-1 + chemistry

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World English Dictionary
petrochemistry (ˌpɛtrəʊˈkɛmɪstrɪ)
 
n
1.  the chemistry of petroleum and its derivatives
2.  the branch of chemistry concerned with the chemical composition of rocks

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