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 circumlocutions—
Edwin Newman
Edwin 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
But their accelerating power is limited by the density of the plasma, which is typically a gaseous substance with fewer than 10^18 particles per cubic centimeter.
—The Physics Arxiv Blog, Discover Magazine, 14 Feb. 2025
Chlorine is unstable and, when released, can create a gaseous and toxic plume, the U.S. Centers for Disease Control and Prevention says.
—Mirna Alsharif, NBC News, 30 Sep. 2024
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
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The Physics Arxiv Blog, Discover Magazine, 14 Feb. 2025
Chlorine is unstable and, when released, can create a gaseous and toxic plume, the U.S. Centers for Disease Control and Prevention says.
—Mirna Alsharif, NBC News, 30 Sep. 2024
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
See All Example Sentences for gaseous
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Cite this Entry
“Gaseous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gaseous. Accessed 23 Mar. 2025.
Copy CitationKids Definition
gaseous
adjective
gas·eous
ˈgas-ē-əs 
ˈgash-əs
1
: having the form of or being gas
2
: of or relating to gas
3
: lacking solidity
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