adj
gaseous
GEH-ee-see-uhs
Gaseous (adj) means existing in the form of a gas. Example: “Water becomes gaseous when it boils into steam.”
adj
1
Existing in the form of a gas.
"Water becomes gaseous when it boils into steam."
"The tank stores hydrogen in its gaseous form."
How to use gaseous
Learner’s notesIn plain EnglishDescribes something that exists as a gas rather than a liquid or solid.
Common pairings
gaseous state
gaseous form
gaseous mixture
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Word forms
- Comparative
- more gaseous
- Superlative
- most gaseous
Fill the gap
Can you complete this real example?
Water becomes _____ when it boils into steam.
Etymology
From "gas" plus the adjective ending "-eous."
Synonyms
View more →Antonyms
Related words
Rhymes for gaseous
See all rhymes for gaseous →Frequently asked questions
What does “gaseous” mean?
The word “gaseous” means existing in the form of a gas. In plain terms, describes something that exists as a gas rather than a liquid or solid.
How do you pronounce “gaseous”?
“Gaseous” is pronounced GEH-ee-see-uhs (/ˈɡæsiəs/ in IPA).
How do you use “gaseous” in a sentence?
Here is “gaseous” used in a sentence: “Water becomes gaseous when it boils into steam.”
What is another word for “gaseous”?
Words with a similar meaning to “gaseous” include aeriform, aereous, aerial, airy, ethereal and vaporlike.
What is the opposite of “gaseous”?
The opposite of “gaseous” — its antonyms — are nongaseous, fluidic and solid.
What part of speech is “gaseous”?
“Gaseous” is an adjective.
