gas

noun
\ ˈgas How to pronounce gas (audio) \
plural gases also gasses

Definition of gas

 (Entry 1 of 2)

1 : a fluid (such as air) that has neither independent shape nor volume but tends to expand indefinitely
2a : 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
7 baseball, informal : fast and powerfully thrown pitches : smoke sense 8 That's Nate on the mound in the glossy photo in his dad's office, throwing gas in some Little League game.— Austin Murphy

gas

verb
gassed; gassing

Definition of gas (Entry 2 of 2)

intransitive verb

1 : to talk idly or garrulously
2 : to give off gas (see gas entry 1 sense 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
2a : to treat chemically with gas
b : to poison or otherwise affect adversely with gas
3 slang : to please greatly

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Examples of gas in a Sentence

Noun

Carbon monoxide is a poisonous gas. We heat our house with gas. Do you have a gas stove or an electric one? The car gets good gas mileage. The car almost ran out of gas. He was driving with one foot on the gas and one foot on the brake.

Verb

soldiers gassed on the battlefield We stopped to gas the car.
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Recent Examples on the Web: Noun

Centrifuges can enrich uranium by rapidly spinning uranium hexafluoride gas. Adam Taylor, Washington Post, "The future of the Iranian nuclear deal could hinge on one key detail," 2 July 2019 The team had experienced pediatric care providers assess 48 baby cry recordings for probable cause of crying—hunger, tiredness, gas pain, etc. Emily Matchar, Smithsonian, "A Translator for Baby Cries? Yes, Please.," 2 July 2019 The increase amounts to just over $1 on 10 gallons a gas. Rich Exner, cleveland.com, "See how much this week’s increase in Ohio’s gasoline tax will cost you," 2 July 2019 One theory is that the object could have been ejected by a gas giant planet orbiting another star. Doyle Rice, USA TODAY, "Weird space object 'Oumuamua' was not an alien spacecraft after all, scientists say," 1 July 2019 Sarin is an extremely volatile nerve agent because of its ability to evaporate from liquid to gas. Cheri Mossburg, CNN, "Sarin possibly found at a Facebook mailing facility in California, no employees exposed," 1 July 2019 Sarin gas is a clear, colorless nerve agent with no taste or odor that can occur in liquid or vapor form, according to the federal Centers for Disease Control and Prevention. Bay City News Service, The Mercury News, "Hazmat crews at Facebook HQ in Menlo Park after sarin scare," 1 July 2019 If using a gas grill, put the soaked chips in a foil packet with holes poked in it or use a smoker box. Sue Selasky, Detroit Free Press, "Ribs: 5 sure-fire tips for grilling perfect ribs," 30 June 2019 These renovations have cost the U.K. taxpayer £2.4 million ($3 million), largely because most of the ceiling beams and floor joists had to be replaced, while heating, water and gas systems also had to be relaid to suit a single home. Phil Boucher, Fortune, "The British Royal Family’s Costs Are Skyrocketing. Here’s Why," 29 June 2019

Recent Examples on the Web: Verb

Reeb’s death followed the murder of Jimmie Lee Jackson in neighboring Perry County and the Bloody Sunday march across the Edmund Pettus Bridge that ended when police gassed and clubbed peaceful protesters. al.com, "Podcast ‘White Lies’ finds fourth attacker in unsolved Selma murder case," 18 June 2019 The veteran is gassed and playing through injury, but excuses don’t change the fact that the Warriors are down 3-1. Dieter Kurtenbach, The Mercury News, "Kurtenbach: The big thing that must happen if the Warriors are to come back from a 3-1 NBA Finals deficit," 10 June 2019 The Warriors are beat up, injured, gassed and struggling to keep up with Toronto. Jeff Zillgitt, USA TODAY, "Kyle Lowry, nearly traded six years ago, is Raptors' journeyman on verge of first NBA title," 8 June 2019 He was gassed at the end of a shift lasting 1 minute 2 seconds. Matt Porter, BostonGlobe.com, "Blues upend Bruins to win Stanley Cup," 12 June 2019 Appearing in his first game since round one of the West playoffs, Cousins looked gassed within his first five minutes of action. Michael Shapiro, SI.com, "How DeMarcus Cousins Helped Flip the NBA Finals," 5 June 2019 In concert with a team of researchers from the U.S. and Japan, Benner has shown that when sulfur dioxide (likely off-gassed from volcanoes) reacts with formaldehyde, the result is a compound called hydroxymethanesultonate, or HMS for short. Jill Kiedaisch, Popular Mechanics, "Life on Earth May Have Been Born From a Maelstrom of Molten Iron," 15 Jan. 2019 And the fact that the White House kicked off the annual post-Thanksgiving celebration of its holiday look while children were being tear-gassed at the US-Mexico border made the situation even grimmer for many. Aja Romano, Vox, "Melania Trump’s White House Christmas decorations have become a horror meme yet again," 27 Nov. 2018 Even after being tear-gassed on Sunday, Mendoza says Rosa will continue to seek asylum. Michelle Ruiz, Vogue, "Asylum Is A Legal Right," 26 Nov. 2018

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.

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First Known Use of gas

Noun

1779, in the meaning defined at sense 1

Verb

1852, in the meaning defined at intransitive sense 1

History and Etymology for gas

Noun

New Latin, alteration of Latin chaos space, chaos

Verb

derivative of gas entry 1

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Learn More about gas

Dictionary Entries near gas

Garveyism

garvie

Gary

gas

gasal

gas attack

gasbag

Statistics for gas

Last Updated

5 Jul 2019

Look-up Popularity

Time Traveler for gas

The first known use of gas was in 1779

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More Definitions for gas

gas

noun

English Language Learners Definition of gas

 (Entry 1 of 2)

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

gas

verb

English Language Learners Definition of gas (Entry 2 of 2)

: to poison or kill (someone) with gas
US : to put gasoline in (a car, truck, etc.)

gas

noun
\ ˈgas How to pronounce gas (audio) \
plural gases

Kids Definition of gas

 (Entry 1 of 2)

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

gas

verb
gassed; gassing; gasses

Kids Definition of gas (Entry 2 of 2)

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.

gas

noun
\ ˈgas How to pronounce gas (audio) \
plural gases also gasses

Medical Definition of gas

 (Entry 1 of 3)

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
gassed; gassing

Medical Definition of gas (Entry 2 of 3)

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

Medical Definition of GAS (Entry 3 of 3)

general adaptation syndrome

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More from Merriam-Webster on gas

Rhyming Dictionary: Words that rhyme with gas

Thesaurus: All synonyms and antonyms for gas

Spanish Central: Translation of gas

Nglish: Translation of gas for Spanish Speakers

Britannica English: Translation of gas for Arabic Speakers

Britannica.com: Encyclopedia article about gas

Comments on gas

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