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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

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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.