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 In their gaseous phase, many natural and man-made molecules, including ammonia, carbon monoxide, hydrogen sulfide, and methanol, absorb photons when stimulated at terahertz frequencies, and those absorption bands can serve as chemical fingerprints. IEEE Spectrum, 7 Mar. 2024 Another machine inspects individual cells to ensure no hydrogen escapes, as the gaseous element is prone to do. IEEE Spectrum, 22 Feb. 2024 Charcoal and carbon filters help reduce odors and gaseous chemicals. Kelsey Kunik, Parents, 15 Feb. 2024 As a result, energy density is significantly higher, while smaller tanks on the vehicle can still yield greater range than is possible than gaseous hydrogen. IEEE Spectrum, 13 Jan. 2024 Normally, 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 One astronomer pointed out that Earth would encounter the comet’s gaseous tail, filled with toxic cyanogen gas. Popular Science, 9 Dec. 2023 In a new paper published in the journal Nature Geoscience, Davies and his colleagues have fit the icy, gaseous pieces together to investigate the role that this weird substance could play in climate change. Matt Simon, WIRED, 7 Dec. 2023 Listen to it while gazing up at the night sky, and be hypnotized by the gaseous nebulae sparkling more than 40 trillion kilometers away. Pitchfork, 7 Dec. 2023

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.

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 19 Mar. 2024.

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

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