Gases is a noun in the English language.
DefinitionsGases refer to a state of matter in which particles are widely separated with no regular arrangement. Gases have no fixed shape and will expand to fill any container in which they are placed.
PronunciationsThe word gases comes from the French word "gaz" meaning "gas, vapor, or gaseous state". The word was first used in English in the early 17th century to describe a substance that was neither solid nor liquid. Today, gases are an important part of our everyday lives, used for heating and cooking, as well as in industry and transportation.
SynonymsOther words that can be used to describe gases include vapors, fumes, and airs.
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