proliferation has definitions from the field of biology
1
[ noun ] (biology) growth by the rapid multiplication of parts

Used in print

(Kenneth Allsop, The Bootleggers and Their Era...)

These booze customers had until then been buying their supplies from the Sheldon , Saltis-McErlane , and Druggan-Lake gangs , and now they were competing for trade with the Torrio-Capone saloons ; once_again O_'_Banion 's brash recklessness had caused a proliferation of ill_will .

Related terms

growth proliferate

2
[ noun ] a rapid increase in number (especially a rapid increase in the number of deadly weapons)

Examples

"the proliferation of nuclear weapons"

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