Definition, Meaning & Synonyms
gas
noun
/ɡæs/
Definition
A substance in the state of matter that has no fixed shape and no fixed volume, typically filling its container.
Examples
- The car runs on gas.
- We could smell the gas leak in the kitchen.
- Many plants absorb carbon dioxide gas from the air.
Meaning
In common usage, it often refers to fuel used for energy, such as natural gas or gasoline, but can also describe any gaseous substance.
Synonyms
- vapor
- fume
- air