propellant

[/prəˈpɛlənt/]
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.
Synonyms / Sinônimos
fuelexplosive chargedriving agentthrust agentaccelerant
Antonyms / Antônimos
retardantinhibitorbrake

Regional Variations

General Brazilian
propelente
standard term used in aerospace, chemistry, and general contexts
São Paulo
propelente
commonly used in technical and industrial contexts
Portugal
propelente
same usage as Brazilian Portuguese, formal and technical
Rio de Janeiro
propelente
used in aerospace and military applications

Related Words

propelpropulsionpropellerthrustcombustionaerosol

Related Idioms & Phrases

rocket propellant
solid propellant
liquid propellant
chemical propellant
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