B3I1P3R1O1P3E1L1L1A1N1T1
18 points
BIPROPELLANT is validvalid
[n BIPROPELLANTS]
a rocket propellant consisting of fuel and oxidizer stored separately until ignition [n -S]
[n BIPROPELLANTS]
a rocket propellant consisting of fuel and oxidizer stored separately until ignition [n -S]