proliferation

noun

Stress: fourth syllable

Syllables: pro-lif-er-a-tion (5)

English Definition

Rapid increase in numbers or rapid reproduction of a cell, part, or organism.

Example Sentence

The proliferation of nuclear weapons is a threat to world peace.

US IPA /prəˌlɪfəˈreɪʃən/
UK IPA /prəˌlɪfəˈreɪʃən/