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
  • In 2023, oil and gas supermajor BP invested $10 million into WasteFuel Global, a sustainable fuels company backed by Prime Infra.
    — Angelica Ang, Fortune, 13 Aug. 2026
  • Europe’s world-leading commitment to replacing carbon fuels with sources such as wind, solar and nuclear power is not about to be shelved.
    — Ned Temko, Christian Science Monitor, 13 Aug. 2026
Definition of fuels
Noun
  • The observation therefore challenges existing ideas about how Galactic objects accelerate cosmic rays to extreme energies.
    — Neetika Walter, Interesting Engineering, 17 Aug. 2026
  • For instance, in your birth chart — which is equivalent to a screenshot of the sky the day you were born, and a map of celestial energies essentially shaping your personality and experiences in this lifetime — there are 12 astrological houses.
    — Valerie Mesa, PEOPLE, 14 Aug. 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 20 Aug. 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 divulge

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

7 Pairs of Commonly Confused Words

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

Do you 'say your piece' or 'say your peace'?

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

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

Is “GIF” Pronounced “Jiff” or “Giff”?

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

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
image of a green cube out of place in a lineup of red spheres
Odd Word Out: Synonyms Vol. 2 Quiz Figure out which word isn't like the others.
See All