noun
combustion improver; firework fuel
Technical term used in chemistry and pyrotechnics. Refers to a substance added to improve combustion or as fuel in fireworks.
この助燃剤はロケット燃料に使われる。
This combustion improver is used in rocket fuel.
花火の色を鮮やかにするために助燃剤が配合される。
A firework fuel is added to make the colors of fireworks vivid.