Its motor burned a solid fuel using liquid nitrous oxide as an oxidiser.
From the newscientist.com
Hybrid rockets are safer than those in which the fuel and oxidiser are stored together.
From the newscientist.com
This will allow the rocket's oxidiser tank to expand when it is full.
From the economist.com
A rocket works by burning fuel with an oxidiser, which provides a source of oxygen for combustion.
From the economist.com
This means vehicles do not have to carry an oxidiser, as rockets do, meaning a lighter airframe.
From the newscientist.com
This is a fuel cell, one that uses a different type of oxidiser.
From the guardian.co.uk
The oxidiser is the source of oxygen for fuel combustion.
From the newscientist.com
The first stage of the Proton-K consisted of a central oxidiser tank, and six outrigger fuel tanks.
From the en.wikipedia.org
So I don't think an oxidiser is needed.
From the newscientist.com
More examples
Oxidant: a substance that oxidizes another substance
An oxidizing agent (also called an oxidant, oxidizer or oxidiser) can be defined as either: #a chemical compound that readily transfers oxygen atoms, or #a substance that gains electrons in a redox chemical reactionnIn both cases, the oxidizing agent becomes reduced in the process.
Any compound that removes or destroys organic waste and organic compounds in the water.
Substances that can cause fire even when not in contact with combustible materials (e.g. some organic peroxides) and substances that can cause fire, or enhance the risk of fire when in contact with combustible material (e.g. inorganic peroxides). ...
Chemical used to shock treat pool. (Krystal Chem KCO)