gas
gas · noun
Definitions
noun
- 1.
A substance in a state that has no fixed shape and fills any space available.
- 2.
(American English) Gasoline; fuel for motor vehicles.
- 3.
Natural gas used for cooking or heating.
- 4.
Intestinal gas; flatulence.
- 5.
(informal) Something enjoyable or amusing.
- 6.
To supply with gas or fill with gas.
- 7.
To attack with poisonous gas.
- 8.
(informal) To talk idly.
Forms
plural: gases
Phrases & expressions
- •step on the gas — Accelerate; hurry up.
- •run out of gas — Lose energy or momentum.
- •gas station — A place selling fuel for vehicles.
- •gas chamber — A room used for execution by poison gas.
- •natural gas — Fossil fuel used for heating.
- •pass gas — To release intestinal gas.
Related words
Etymology
Coined by Flemish chemist Jan Baptist van Helmont (1580-1644), probably from Greek khaos ("chaos"), representing an occult principle in matter.