Skip to main content
propellant

propellant

14 6.8
A substance that makes objects move forward, for example in rockets or spray cans
  • noun
  • /prəˈpɛlənt/
  • Specialized
translation icon : propulsor
  • Now we'll use the whole of our remaining propellant to give one final nudge.
  • aerosol propellants
  • rocket propellant
  • milligrams of propellant

It's not storable, so it's constantly boiling off and you're losing propellant because it's boiling off.

Autoplay Next

Examples

  • The tetras are explosive and the diphenyls are a solid propellant like they use in rockets.

  • Although the thrust produced is low, a small mass of propellant can go a great distance.

    Academic text (2004)
  • Longer would allow increased volume for the propellant without much additional mass.

  • The back half is all solid propellant.

  • And then around that you put the propellant tanks and the wheels that do the attitude control.

  • Launch Complex 39 was cleared... and we began to load liquid propellant into the launch vehicle.

  • Thankfully our friends at SpaceX have a propellant depot currently in orbit.

  • So the idea here is that when you're carrying propellant, you're carrying a mixture of fuel and oxidizer.

  • Avoid harsh alcohol-based cleaners, propellants, and pesticides, which can irritate the airways in susceptible people.

    Academic text (2011)
  • The spacecraft was fueled with a powerful propellant to ensure a successful launch.

Synonyms

fuel
vspropellant
1.0

A material burned to make energy for heat, light or engines

is specifically for pushing things forward by thrust rather than only providing energy
jet fuel
vspropellant
  • Specialized
13 3.5

A liquid that planes burn in their engines to make them run

is about causing motion by thrust or spray rather than powering engines
rocket fuel
vspropellant
  • Specialized
9 3.9

A substance you burn to move a rocket into space

focuses on causing movement directly rather than only producing energy
rocket propellant
vspropellant
  • Specialized
1 6.1

A material that burns or reacts to make a rocket move

is used also to push sprays and small devices rather than only high thrust
propellent
vspropellant
  • Specialized
7.6

A substance that pushes rockets or engines forward

is the standard modern spelling used across contexts
propellant explosive
vspropellant
  • Specialized
7.5

A substance that explodes to push a shell or rocket forward

is more general, applying to both spray pushes and non explosive thrust

Compounds

rocket propellant
  • Specialized
1 6.1

A material that burns or reacts to make a rocket move

propellant explosive
  • Specialized
7.5

A substance that explodes to push a shell or rocket forward

6.5

An engine that burns solid fuel to push a rocket or missile

5.7

A rocket that uses solid fuel to make hot gas and push it forward

How Powerful

high-energy
  • Specialized
5 4.9
solid propellant rocket
  • Specialized
5.7
rocket fuel
  • Specialized
9 3.9
propellant
  • Specialized
14 6.8
compressed air
  • Specialized
9 3.7

Surface Forms

propellant singular
propellants plural

Morphology

propellant = propel (transparent) = propel + ant

The noun is a regular agent/nominal use of the participial/adjectival form 'propellant' (literally 'that which propels'); applied to substances it keeps the straightforward meaning 'a thing that propels'.

Etymology

Propellant also comes from the verb propel, built from pro- 'forward' and pel 'push', just like a propeller that makes movement. So a propellant, for example fuel or gas, is a thing that pushes or drives a rocket, spray, or other device forward.