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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 upcoming Starship flight, following 11 previous tests, features numerous upgrades like a redesigned propellant system and improved Raptor engines.

From The Wall Street Journal • Apr. 4, 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

The new vehicles will be equipped to handle in-orbit docking and demonstrate vehicle-to-vehicle propellant transfer while in orbit — which is key for future moon or Mars missions.

From MarketWatch • Dec. 30, 2025

We’d watch the spring with binoculars and see how much thrust was produced and then divide the answer by the pounds of propellant burned and how long it took.

From "October Sky" by Homer Hickam




Vocabulary lists containing propellant