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

Her company also offsets all the greenhouse-gas emissions produced during its manufacturing process by purchasing credits to fund carbon-neutral energy initiatives. Megan Mcintyre, Hana Hong, Marie Claire, "11 New Innovations in Sustainable Beauty from Around the Globe," 18 Apr. 2019 What's with the weekly ups and downs in gas prices? Andrew Moseman, Popular Mechanics, "A Reminder: Always Buy Gas on Mondays," 9 Apr. 2019 And around a fifth of the funds would be dedicated to the gasoline refund program, to help low-income individuals adjust to possible increases in gas prices as a result of the legislation. Sarah Zimmerman, The Seattle Times, "Oregon close to finalizing cap-and-trade bill," 25 Mar. 2019 Car makers have pushed the Trump administration to relax Obama-era fuel-economy standards, arguing the future rules will be too tough to meet as low gas prices boost sales of less-efficient trucks and sport-utility vehicles. Alex Leary, WSJ, "Trump Administration Cuts Off Talks With California Over Fuel-Efficiency Standards," 21 Feb. 2019 The action follows similar job-cutting moves by Ford Motor in the face of slowing sales and a shift in consumer tastes, driven in part by low gas prices. Recode Staff, Recode, "Recode Daily: Google spends $1 billion on a 52-acre office park in space-constrained Silicon Valley," 27 Nov. 2018 Bloomberg notes that, back in 2012, gas prices were nearly $4 per gallon. Megan Geuss, Ars Technica, "US energy agency: Sorry coal, natural gas is having another record summer," 11 July 2018 The gas-electric version of Toyota’s small crossover is quicker and more responsive, more powerful and more capable and smarter about packaging (the new battery pack doesn’t intrude on rear cargo space). WSJ, "2019 Toyota RAV4 Hybrid: Great Performance, Even Better Fuel Economy," 19 Apr. 2019 With the advent of gas stoves, refrigerators, and more streamlined appliances—plus the decline in household staff—in the 20th century, the kitchen became the domain of the woman of the house. Hadley Keller, House Beautiful, "Kim Kardashian West's House Has Two Kitchens, and Apparently, It's a Trend," 11 Apr. 2019

Recent Examples on the Web: Verb

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 But one used a slur to refer to Jews and said they should be gassed. Georgia Wells, WSJ, "Gab to Rein In Calls for Violence While Allowing Hate Speech," 9 Nov. 2018 Consider what mold abatement entails first, as the off-gassing chemicals involved can be harmful. Jennifer Fernandez, House Beautiful, "6 Nursery-Decorating Mistakes To Avoid For Your Baby’s Health," 19 Dec. 2018 Treblinka’s victims were transported there in cattle cars and gassed to death almost immediately upon arrival. Kristen De Groot, The Seattle Times, "1st US public Holocaust memorial merges past with new tech," 22 Oct. 2018 The person who sees football as a medium through which to gas up their mates; nothing more, nothing less. SI.com, "7 Types of Friends Who Always Show Up on Game Night," 19 Feb. 2018 Instead, the scientists found that the best explanation for the altered path would in fact be from out-gassing – the kinds of emissions that could theoretically produce the tail of a comet. Amina Khan, latimes.com, "'Oumuamua, the mysterious visitor from outside the solar system, is a comet after all," 28 June 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

10 May 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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