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oillionaire

American

[oil-yuh-nair] / ˌɔɪl jəˈnɛər /

noun

Canadian Informal.

a millionaire whose wealth is derived from the petroleum industry.

Etymology

Origin of oillionaire

Blend of oil and millionaire

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.