petrochemistry

[pe-troh-kem-uh-stree]

noun

the branch of chemistry dealing with petroleum or its products.
the chemistry of rocks.

Origin of petrochemistry

1935–40; petro-2 or petro-1 + chemistry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for petrochemistry

petrochemistry

noun

the chemistry of petroleum and its derivatives
the branch of chemistry concerned with the chemical composition of rocks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012