Meanings
- uncountableThe spread of weapons of mass destruction to states that did not previously have them.
Rhymes & wordplay
Rhymes with horizontal proliferation
Cite this entry
horizontal proliferation. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/horizontal%20proliferation
“horizontal proliferation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/horizontal%20proliferation. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “horizontal proliferation,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/horizontal%20proliferation.
Source: horizontal proliferation on Wiktionary, CC BY-SA 4.0.