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Definitions

propellant

[pruh-pel-uhnt] / prəˈpɛl ənt /




NOUN
gasoline
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The solid rocket boosters for SLS, made by Northrop Grumman, are 17-story-tall devices that burn more than 11,000 pounds of propellant a second during liftoff.

From The Wall Street Journal • Apr. 1, 2026

The Artemis II rocket contains nearly 750,000 gallons of propellant, so lightning is one of the biggest risks to safety.

From BBC • Mar. 30, 2026

"But we're also humans trying to load millions of pounds of propellant onto a giant machine and send it to the Moon," he added.

From Barron's • Mar. 27, 2026

"If we're going to send humans to Mars, you need H2O and not just for drinking, but for propellant and all manner of applications," Luzzi said.

From Science Daily • Dec. 27, 2025

Mr. Dubonnet tapped the rocket casing, and lumps of unburned propellant and ash dropped out.

From "October Sky" by Homer Hickam