1. Rapid increase in number or amount; multiplication
The proliferation of mobile devices has changed how we communicate.
A proliferação de dispositivos móveis mudou a forma como nos comunicamos.
2. In biology, the process of rapid reproduction or growth of cells
Cell proliferation is essential for tissue repair and growth.
A proliferação celular é essencial para a reparação e crescimento de tecidos.
3. In politics/security, the spread of nuclear weapons or technology to more countries
International agreements aim to prevent nuclear proliferation.
Acordos internacionais visam prevenir a proliferação nuclear.