gaseous

adjective

1
: having the form of or being gas
also : of or relating to gases
2
a
: lacking substance or solidity
b
: gassy sense 3
trick phrases and gaseous circumlocutionsEdwin Newman
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Beyond the snow line, water is solid and aggregates readily into nascent planets and asteroids, whereas within the line, water remains gaseous and is harder to capture. Tom Hawking, Popular Science, 29 Jan. 2025 Already the busy schedule has another limitation for turning around launches, the use of the commodities like gaseous nitrogen and propellants that have to be flowed to the launch pads, which is mostly done now through a contract with NASA for KSC and Cape Canaveral pads. Richard Tribou, Orlando Sentinel, 29 Jan. 2025 Some were gaseous, star-forming regions, such as the Orion nebula, or M42 – the 42nd object in Messier’s catalog – while others were star clusters such as the Pleiades, or M45. Chris Impey, The Conversation, 24 Jan. 2025 Flow batteries contain liquid or gaseous electrolytes that flow through cells from tanks, according to the International Flow Battery Forum website: The interconversion of energy between electrical and stored chemical energy takes place in the electrochemical cell. Kat Friedrich, Ars Technica, 20 Sep. 2024 See all Example Sentences for gaseous 

Word History

First Known Use

1799, in the meaning defined at sense 1

Time Traveler
The first known use of gaseous was in 1799

Dictionary Entries Near gaseous

Cite this Entry

“Gaseous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gaseous. Accessed 11 Feb. 2025.

Kids Definition

gaseous

adjective
gas·​eous ˈgas-ē-əs How to pronounce gaseous (audio)
ˈgash-əs
1
: having the form of or being gas
2
: of or relating to gas
3
: lacking solidity

Medical Definition

gaseous

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

More from Merriam-Webster on gaseous

Last Updated: - Updated example sentences
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