propellants

noun

variants also propellents
plural of propellant
as in fuels

Related Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of propellants Pressurized helium is routinely used in rockets to push propellants to engines and to help clean and dry tanks and propellant lines when needed. — William Harwood, CBS News, 19 Mar. 2026
Recent Examples of Synonyms for propellants
  1. fuels
  2. energies
Noun
  • The smoke from the burning vehicles contained hazardous materials commonly found in automobiles, including fuels, oils and interior components, Nunez said, although steady winds helped disperse the smoke.
    — Sacbee.com, Sacbee.com, 4 July 2026
  • Asked about the greenwashing criticism, a Council spokesperson said companies active in the fossil fuel sector can still contribute to the transition, for example by developing low-carbon fuels or building electric vehicle charging infrastructure.
    — Ingmar Rentzhog, Forbes.com, 4 July 2026
Definition of fuels
Noun
  • Colliding protons at record-setting energies of almost 14 trillion electron volts (TeV), the LHC became the world’s most powerful collider and redrew the map of experimental particle physics.
    — Florencia Canelli, Scientific American, 1 July 2026
  • This is turning into a strange tournament for Germany, full of duelling energies.
    — Sebastian Stafford-Bloor, New York Times, 26 June 2026
Definition of energies

Browse Nearby Words

propellant
propellants
propelled
See all Nearby Words

Cite this Entry

“Propellants.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/propellants. Accessed 8 Jul. 2026.

Copy Citation

More from Merriam-Webster on propellants

Nglish: Translation of propellants for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of gambol

See Definitions and Examples »

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All