CEFR C1

propellant

noun

Meaning

A substance used to provide thrust for a rocket, missile, or other vehicle, or to force a liquid out of a pressurized container.

Examples

Engineers carefully calculated the amount of solid propellant needed for the booster stage.
The aerosol can stopped working because the chemical propellant had leaked out.

Synonyms: fuel, explosive, combustant

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propellant (C1)

noun

Pronunciation: prəˈpɛlənt

Definition

A substance used to provide thrust for a rocket, missile, or other vehicle, or to force a liquid out of a pressurized container.

Examples

Engineers carefully calculated the amount of solid propellant needed for the booster stage.
The aerosol can stopped working because the chemical propellant had leaked out.
Liquid hydrogen and liquid oxygen are commonly used as a high-energy propellant in space travel.

How to Use propellant

propellant for (prepositional phrase): identifying the purpose of the substance — "This chemical serves as the primary propellant for the satellite's maneuvering thrusters."

Synonyms of propellant

Words with a similar meaning to propellant:

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