
Binary chemical munitions contain two chemicals, isolated in separate containers for safety, which react together when combined as a result of being armed or fired, producing a chemical agent.
Found on
http://www.encyclo.co.uk/local/20762

(DOD, NATO) A munition in which chemical substances, held in separate containers, react when mixed or combined as a result of being fired, launched or otherwise initiated to produce a chemical agent.
Found on
https://www.encyclo.co.uk/local/21254
No exact match found.