gasgas1 /ɡæs/ ●●●S1W2 noun (plural gases or gasses)1[countable, uncountable]HC a substance such as air, which is not solid or liquid, and usually cannot be seenhydrogen gastoxic/poisonous/noxious gasesa cloud of toxic gasa gas cylinder/bottle (=for storing gas) →greenhouse gas2[uncountable]TPG a clear substance like air that is burned for heating or cookinggas cooker/stove/ovenCan you light the gas for me?The explosion was caused by a gas leak from the water heater.3 →gas mark 4/5/6 etc4[uncountable] American EnglishTT (also gasoline) a liquid made from petroleum, used mainly for producing power in the engines of cars, trucks etcSYN petrol British EnglishI probably spend over $200 a month on gas.The mechanic found a hole in the gas tank.5 →the gas6[uncountable] a clear substance like air that is used for medicalreasons, for example to make people feel less pain or make them sleep during an operationan anaesthetic gas →laughing gas7[uncountable] a type of gas used as a weapon, because it harms or kills people when they breathe it inmustard gas →nerve gas, poison gas, tear gas8[uncountable] American English informalMID the condition of having a lot of air in your stomachSYN wind British English9 →a gasCOLLOCATIONS – Meanings 1 & 2ADJECTIVES/NOUN + gasnatural gas (=gas used for cooking and heating, taken from under the earth or from under the sea)The main part of natural gas is methane.a poisonous/toxic gasCarbon monoxide is the main poisonous gas in car exhaust.a noxious gas (=a harmful or poisonous gas)A noxious gas was discovered to be leaking from the pipe.a greenhouse gas (=a gas, especially carbon monoxide or methane, that is thought to trap heat above the Earth and cause the Earth's surface to become warmer)We need to reduce greenhouse gas emissions.nerve gas (=a poisonous gas used in war to kill or paralyse people)Troops were exposed to low levels of nerve gas during the conflict.tear gas (=a gas that stings your eyes, used by the police to control crowds)Police using tear gas had clashed with protestors.gas + NOUNa gas cooker/oven/stoveGas cookers are more efficient than electric ones.a gas fire (=an object that burns gas to heat a room)She turned on the gas fire.a gas cylinder (=a large container for gas)One of the gas cylinders exploded.a gas bottle (=a small container for gas)The gas bottles need to be stored in a safe place.a gas leak (=an escape of gas through a hole in something)If you suspect a gas leak, do not strike a match or even turn on an electric light.a gas supply (=a system for supplying gas to someone's house)The engineers had quite a challenge to install the new gas supply.gas reserves (=a supply of gas kept to be used when it is needed)Norway has far greater gas reserves than the UK.a gas pipelineThe Chinese and Russian governments are cooperating in gas pipeline projects.a gas bill (=a bill you have to pay for gas you have used)Household gas bills have increased dramatically.gas productionThe company expanded its gas production facilities.the gas industryThere are plans to nationalize the country's gas industry.
gas• I was a long time because everyone was gassing in the shop.• You want to gas people, gas them after Novemberfourth.• To get away from some guys in a Camaro who wanted to race, Juan says, the friendgassed the bike.• 5000 civilians were gassed to death by the army.From King Business Dictionarygasgas /gæs/ noun (plural gases or gasses) [countable, uncountable]a substance which is not solid or liquid at normaltemperatures, and which usually cannot be seenGreenhouse gases are the direct result of pollution.Over 40% of Pakistan’s energy needs are supplied by gas. →natural gasOrigingas11. (1600-1700)Modern LatinGreekkhaos“empty space”; → CHAOS2. (1900-2000)gasoline