1

gas

noun \ ˈgas \
Updated on: 10 Dec 2017

Definition of gas

plural gases also gasses
1 : a fluid (such as air) that has neither independent shape nor volume but tends to expand indefinitely
2 a : a combustible gas or gaseous mixture for fuel or lighting; especially : natural gas
b : a gaseous product of digestion; also : discomfort from this
c : a gas or gaseous mixture used to produce anesthesia
d : a substance that can be used to produce a poisonous, suffocating, or physically irritating atmosphere
3 : empty talk : bombast
  • His talk about quitting his job was all gas.
4 : gasoline; also : the accelerator pedal of an automotive vehicle
5 : driving force : energy
  • I was young, and full of gas
  • —H. L. Mencken
  • ran out of gas in the seventh inning
6 slang : something that gives pleasure : delight
  • the party was a gas

Examples of gas in a Sentence

  1. Carbon monoxide is a poisonous gas.

  2. We heat our house with gas.

  3. Do you have a gas stove or an electric one?

  4. The car gets good gas mileage.

  5. The car almost ran out of gas.

  6. He was driving with one foot on the gas and one foot on the brake.

Recent Examples of gas from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of gas

New Latin, alteration of Latin chaos space, chaos

Other Chemical Engineering Terms


2

gas

verb

Definition of gas

gassed; gassing
intransitive verb
1 : to talk idly or garrulously
2 : to give off gas (see 1gas 1)
3 : to fill the tank (as of an automobile) with gasoline usually used with up
transitive verb
1 : to supply with gas or especially gasoline
  • gas up the car
2 a : to treat chemically with gas
b : to poison or otherwise affect adversely with gas
3 slang : to please greatly

Examples of gas in a Sentence

  1. soldiers gassed on the battlefield

  2. We stopped to gas the car.

Recent Examples of gas from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of gas

derivative of 1gas



GAS Defined for English Language Learners

gas

noun

Definition of gas for English Language Learners

  • : a substance (such as oxygen or hydrogen) that is like air and has no fixed shape

  • : a gas or mixture of gases that is burned as a fuel

  • : gas in your stomach and intestines that causes pain or discomfort


gas

verb

Definition of gas for English Language Learners

  • : to poison or kill (someone) with gas

  • : to put gasoline in (a car, truck, etc.)


GAS Defined for Kids

1

gas

noun \ ˈgas \

Definition of gas for Students

plural gases
1 : a substance (as oxygen or hydrogen) having no fixed shape and tending to expand without limit
3 : a gas or a mixture of gases used to make a person unconscious (as for an operation)
4 : a substance that poisons the air or makes breathing difficult
5 : gasoline
6 : a gaseous product of digestion or the discomfort caused by it

2

gas

verb

Definition of gas for Students

gassed; gassing; gasses
1 : to poison with gas
  • “Her boy was gassed in the trenches,” Grandma said.
  • —Richard Peck, A Year Down Yonder
2 : to supply with gas
  • Gas up the car.

Medical Dictionary

1

gas

noun \ ˈgas \

medical Definition of gas

plural gases also gasses
1 : a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely
2 : a gaseous product of digestion; also : discomfort from this
3 : a gas or gaseous mixture used to produce anesthesia
4 : a substance that can be used to produce a poisonous, asphyxiating, or irritant atmosphere

2

gas

transitive verb

medical Definition of gas

gassed; gassing
1 : to treat chemically with gas
2 : to poison or otherwise affect adversely with gas

GAS

abbreviation

medical Definition of GAS

general adaptation syndrome


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