1. rapidly increase in number or amount






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prevent the proliferation of nuclear weapons

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The verb proliferate means to increase substantially in number or to quickly increase. This verb is often used in science and biology to talk about the way viruses or organisms reproduce or increase in number.

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  1. Diplomats are meeting in Paris this weekend to discuss ways of preventing the proliferation of nuclear weapons.
  2. Washing surfaces and hands regularly is one way to guarantee that harmful bacteria do not proliferate in your home.

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  1. In the last decade, coffee shops have proliferated in the city, especially in the vicinity of commercial buildings.
  2. The company have built a business model and system that allows their technology to proliferate.

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