air propellant
[/ɛr prəˈpɛlənt/]
nounpl: air propellants
propelente de ar
1. A gas or compressed air used to propel or discharge contents from a container, such as in aerosol sprays, paint guns, or pneumatic tools
The aerosol can uses compressed air as an air propellant to spray the product.
O frasco de aerossol usa ar comprimido como propelente de ar para pulverizar o produto.
2. In weaponry or ballistics, a gas or pressurized medium that forces a projectile through a barrel or chamber
Air propellants are commonly used in pellet guns and air rifles.
Os propelentes de ar são comumente usados em espingardas de pellets e rifles de ar comprimido.
3. Any substance that uses air pressure or pneumatic force as its mechanism of propulsion
Modern dental drills often use air propellants for operation.
Os compressores odontológicos modernos frequentemente usam propelentes de ar para operação.
The term is primarily used in technical, industrial, and commercial contexts in both Brazil and the USA. In Brazil, it appears frequently in product labeling for aerosol products and industrial equipment manuals. In the USA, it's particularly common in the aerospace, manufacturing, and sporting goods industries. Environmental concerns about CFCs and other propellants have made 'air propellant' a preferred eco-friendly alternative in marketing and regulations.
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