nounmasculinepl: propellants
propelente
1. a substance that produces thrust or motion, typically a fuel or explosive charge used to propel something forward
The rocket's propellant consists of liquid hydrogen and liquid oxygen.
O propelente do foguete é composto de hidrogênio líquido e oxigênio líquido.
2. a pressurized gas in an aerosol container that forces the contents out when the valve is opened
The aerosol can uses a chemical propellant to spray the paint.
A lata de aerossol usa um propelente químico para pulverizar a tinta.
3. any agent or substance that propels or drives something forward
Innovation is the propellant behind technological advancement.
A inovação é o propelente por trás do avanço tecnológico.
The term 'propellant' is primarily used in technical and scientific contexts in both American and Brazilian English/Portuguese. In the USA, it's frequently discussed in aerospace and defense industries. In Brazil, the term is used similarly but gains prominence in discussions about space exploration through the Brazilian Space Agency (AEB). The word maintains formal, technical connotations in both cultures and is rarely used colloquially.
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