Definition from Wiktionary, the free dictionary
- (uncountable) The process by which an organism produces others of its kind; breeding, propagation, procreation, reproduction.
- (countable) The act of increasing or rising; augmentation, amplification, enlargement, escalation, aggrandizement.
- (countable) The result of building up; buildup, accretion.
- (uncountable) The spread of biochemical, nuclear and other weapons of mass destruction to countries not originally involved in developing them.
the process by which an organism produces others of its kind
the act of increasing or rising