gaseous

adjective
gas·​eous | \ ˈga-sē-əs How to pronounce gaseous (audio) , ˈga-shəs\

Definition of gaseous

1 : having the form of or being gas also : of or relating to gases
2a : lacking substance or solidity
b : gassy sense 3 trick phrases and gaseous circumlocutions— Edwin Newman

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Other Words from gaseous

gaseousness noun

Examples of gaseous in a Sentence

a substance changing from a liquid to a gaseous state a pompous professor known for his gaseous lectures that often put students to sleep

Recent Examples on the Web

Some of the soil and bits of rock were vacuum-packed on the moon – and never exposed to Earth’s atmosphere – or frozen or stored in gaseous helium following splashdown and then left untouched. USA TODAY, "Moon rocks, Misty of Chincoteague, Haiku Stairs: News from around our 50 states," 28 June 2019 Spitzer is an infrared detective and by illuminating dust, the telescope also allows astronomers to see dense gaseous areas between stars that are normally difficult to detect. Ashley Strickland, CNN, "Dazzling new views of the Whirlpool galaxy captured by NASA," 27 June 2019 Some of the soil and bits of rock were vacuum-packed on the moon — and never exposed to Earth’s atmosphere — or frozen or stored in gaseous helium following splashdown and then left untouched. Marcia Dunn, The Denver Post, "NASA to open moon rock samples sealed since Apollo missions," 26 June 2019 Some of the soil and bits of rock were vacuum-packed on the moon — and never exposed to Earth’s atmosphere — or frozen or stored in gaseous helium following splashdown and then left untouched. Marcia Dunn, BostonGlobe.com, "NASA unseals moon rock samples for the first time since the Apollo missions," 26 June 2019 Some were frozen or stored in gaseous helium after Apollo 11 splashed down and have remained untouched since. Fox News, "NASA to open Moon rock samples sealed for 50 years," 26 June 2019 Diesel exhaust contains more than 40 known cancer-causing organic substances and gaseous pollutants, including volatile organic compounds and NOx, a key ingredient in ground-level ozone, otherwise known as smog. Odessa Lefrancois, The Mercury News, "Opinion: California’s trucks should be smog-checked like cars," 25 June 2019 In the years to come, such gaseous constellations will define Europe’s politics in the coming years. The Economist, "Europe’s gaseous political alliances," 22 June 2019 These vehicles are clean and sleek, but always excreting, burping, farting gaseous waste. Aaron Stern, WSJ, "Summer Reads That Fuel Automobile Nostalgia," 14 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gaseous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of gaseous

1799, in the meaning defined at sense 1

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Statistics for gaseous

Last Updated

10 Jul 2019

Look-up Popularity

Time Traveler for gaseous

The first known use of gaseous was in 1799

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More Definitions for gaseous

gaseous

adjective

English Language Learners Definition of gaseous

: having the form of gas

gaseous

adjective
gas·​eous | \ ˈga-sē-əs How to pronounce gaseous (audio) , ˈga-shəs\

Kids Definition of gaseous

1 : having the form of gas The substance changed from a liquid to a gaseous state.
2 : of or relating to gas gaseous odors

gaseous

adjective
gas·​eous | \ ˈgas-ē-əs How to pronounce gaseous (audio) , ˈgash-əs How to pronounce gaseous (audio) \

Medical Definition of gaseous

: having the form of or being gas also : of or relating to gases

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More from Merriam-Webster on gaseous

Thesaurus: All synonyms and antonyms for gaseous

Spanish Central: Translation of gaseous

Nglish: Translation of gaseous for Spanish Speakers

Britannica English: Translation of gaseous for Arabic Speakers

Comments on gaseous

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