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casinghead gas

American

[key-sing-hed] / ˈkeɪ sɪŋˌhɛd /

noun

natural gas obtained from an oil well.

Etymology

Origin of casinghead gas

An Americanism dating back to 1925–30; casing + head

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.