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Gases

acetylene

noun

a gas that is burned with oxygen to produce a flame that can cut metal

ammonia

noun

a poisonous gas with a strong unpleasant smell, or the gas dissolved in water. It is used in products used for cleaning things.

argon

noun

a gas that is in the air and that does not produce a chemical reaction when mixed with other substances. It is sometimes used in electric lights.

butane

noun

a type of gas in a liquid form that is used as a fuel

carbon

noun

the gases carbon dioxide and carbon monoxide

carbon dioxide

noun

a gas without color or smell, produced when you breathe out or when substances containing carbon are burnt. The fact that the earth is getting hotter because of carbon dioxide in the atmosphere is called the greenhouse effect.

carbon monoxide

noun

a poisonous gas with no color or smell, produced by the engines of vehicles

CFC

noun

chlorofluorocarbon: a gas used in refrigerators and in some aerosol containers. CFCs are not often used anymore because they damage the ozone layer of the Earth’s atmosphere.

chlorine

noun

a gas with a strong smell, often used for killing bacteria in swimming pools

chlorofluorocarbon

noun

a CFC

ethane

noun

a gas that has no color and no smell and burns very easily. It is obtained from petroleum and natural gas and is used as a fuel.

ethene

noun

a gas obtained from petroleum and natural gas. It is used in making polythene and other chemicals and to make fruit ripen (=become ready to eat or use).

fluorine

noun

a chemical element that is a poisonous yellow gas

formaldehyde

noun

a gas with no color and a strong smell, used mixed with water for preserving dead things in a laboratory

fumes

noun

smoke or gas that has an unpleasant smell, especially harmful smoke or gas

gas

noun

a substance such as air that is neither a solid nor a liquid

gas

noun

a gas used for harming or killing people, or for affecting their behavior

greenhouse gas

noun

a gas that stops heat from escaping from the atmosphere and causes the greenhouse effect. Carbon dioxide is a greenhouse gas.

helium

noun

a gas that is lighter than air, often used for lifting large balloons

hydrogen

noun

a gas that has no color or smell and is lighter than air

hyperbaric

adjective

a hyperbaric gas is at a higher pressure than it normally is

krypton

noun

a gas with no color, used in some types of light

laughing gas

noun

the gas nitrous oxide used in the past by doctors and dentists to prevent people feeling pain during a medical operation

leak

noun

an amount of liquid or gas that comes out of a hole or crack in something

leakage

noun

an amount of gas or liquid that leaks from something

marsh gas

noun

a gas that is produced when plants in an area of wet land decay and consists mainly of methane

methane

noun

a gas with no color or smell that is used as a fuel

miasma

noun

a cloud of unpleasant gas or smoke

mustard gas

noun

a poisonous gas that burns your skin, eyes, nose, throat, and lungs, used especially in World War I

natural gas

noun

a gas that is found inside the earth and that can be used for heating or cooking

neon

noun

a gas that shines brightly when electricity flows through it, used in lights and signs

neon

noun

using neon

nerve gas

noun

a poisonous gas that damages people’s nerves and can kill them, used as a weapon in war

nitrogen

noun

a gas with no color or smell that exists in large quantities in the air that we breathe

nitrogen dioxide

noun

a very poisonous brown gas often found in smog and exhaust from vehicles

nitrous oxide

noun

a gas used by doctors and dentists to prevent people from feeling pain during a medical operation

noble gas

noun

a gas that does not react with other substances, from the group of gases that includes helium and neon

oxyacetylene

noun

a mixture of oxygen and a gas called acetylene, used as a fuel for making a very hot flame that cuts metal

oxygen

noun

a gas in the air that has no smell or taste, and that all animals depend on to breathe

ozone

noun

a kind of oxygen that exists high in the Earth’s atmosphere

plasma

noun

a substance similar to a gas that has almost no electric charge

poison gas

noun

gas used for killing or harming people

propane

noun

a hydrocarbon gas obtained from natural gas or petroleum, used as a fuel for cooking and heating

propellant

noun

a gas used for forcing a substance out of a spray can when you push the button on top

radon

noun

a type of radioactive gas that is produced when radium separates into the parts it is made of

sarin

noun

a poisonous gas used as a weapon by some terrorists

shale gas

noun

gas produced from shale, used for heating, cooking, etc.

sulfur dioxide

noun

a poisonous gas with a strong smell, used in industry and often a cause of air pollution

tear gas

noun

a gas that makes your eyes sting, used especially by the police to control violent crowds

xenon

noun

a gas with no color or smell that is used for making lights

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

BuzzWord Article

Open Dictionary

sandwich woman

a woman in middle age who has to juggle caring for teenage children and ageing parents with a career

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