Propellant Meaning in English
word
释义
A propellant is a substance, such as a gas, liquid, or powder, that is used to move or push something forward, especially in rockets, aerosols, or engines.
用法与细微差别
'Propellant' is used mainly in technical, scientific, or engineering contexts. Common collocations include 'rocket propellant', 'aerosol propellant', and 'liquid propellant'. Not used in ordinary conversation. Similar but different from 'fuel': all propellants are fuels, but not all fuels are propellants.
例句
Rocket engines need propellant to lift off.
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Aerosol cans use gas as a propellant.
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Solid propellant is common in fireworks.
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Scientists are testing a new eco-friendly propellant for satellites.
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Be careful—some old spray cans contain harmful propellants.
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The company switched to a water-based propellant to reduce environmental impact.
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