Definiciones
1.NounThe process by which an organism produces others of its kind; breeding, propagation, procreation, reproduction.
2.NounThe act of increasing, rising, or proliferating; augmentation, amplification, enlargement, escalation, aggrandizement.
In particular, the spread (proliferating) of biochemical, nuclear and other weapons of mass destruction to countries not originally involved in developing them.
3.NounIn particular, the spread (proliferating) of biochemical, nuclear and other weapons of mass destruction to countries not originally involved in developing them.
4.NounThe result of building up; buildup, accretion.