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
Synonyms
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
The gaseous refrigerant then flows to the system's outdoor coil, moving heat out of your home.
—Jamie Ducharme, TIME, 12 June 2024
This is sent through an enrichment process, usually in gas centrifuges, where it is turned into gaseous form and centrifuged till the two isotopes are separated from each other due to their slight difference in their atomic weights.
—Jacek Krywko, Ars Technica, 10 June 2024
The Devil Comet nickname arose from Comet 12P/Pons-Brooks' striking gaseous outbursts that can give it a horned appearance.
—Tiffany Acosta, The Arizona Republic, 30 May 2024
Usually gaseous atmospheric methane in a brown dwarf absorbs the infrared light that comes up from below, so there’s a dip in brightness at certain spectral wavelengths.
—Phil Plait, Scientific American, 19 Jan. 2024
See all Example Sentences for gaseous 
Jamie Ducharme, TIME, 12 June 2024
This is sent through an enrichment process, usually in gas centrifuges, where it is turned into gaseous form and centrifuged till the two isotopes are separated from each other due to their slight difference in their atomic weights.
—Jacek Krywko, Ars Technica, 10 June 2024
The Devil Comet nickname arose from Comet 12P/Pons-Brooks' striking gaseous outbursts that can give it a horned appearance.
—Tiffany Acosta, The Arizona Republic, 30 May 2024
Usually gaseous atmospheric methane in a brown dwarf absorbs the infrared light that comes up from below, so there’s a dip in brightness at certain spectral wavelengths.
—Phil Plait, Scientific American, 19 Jan. 2024
See all Example Sentences for gaseous
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gaseous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Gaseous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gaseous. Accessed 4 Jul. 2024.
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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