Last Updated:2025/12/05
The increase in the stocks of weapons of mass destruction of states that already had them.
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vertical proliferation
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Source Word
vertical proliferation
Noun
uncountable
Japanese Meaning
既に大量破壊兵器を保有する国が、その保有量をさらに増やすこと。 / 既存の大量破壊兵器保有国による兵器数の拡大。