variants:
or less commonly propellent
Definition of propellant
(Entry 1 of 2)
: capable of propelling
propellant
noun
variants:
or less commonly propellent
Definition of propellant (Entry 2 of 2)
: something that propels: such as
a
: an explosive for propelling projectiles
b
: fuel plus oxidizer used by a rocket engine
c
: a gas kept under pressure in a bottle or can for expelling the contents when the pressure is released
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share propellant
Time Traveler for propellant
The first known use of propellant was in 1644
See more words from the same year