noun
Freq #45876
Meanings
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1
noun
A rapid increase in the number or spread of something.
The proliferation of smartphones changed how we communicate.
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2
noun
The rapid spread of weapons, especially nuclear ones, to more countries.
The treaty aims to prevent the proliferation of nuclear weapons.
Thesaurus
Word family
Forms
proliferations
Derived forms
alloproliferationangioproliferationantiproliferationautoproliferationcounterproliferationendoproliferationfibroproliferationhyperproliferationhypoproliferationimmunoproliferationlymphoproliferationmalproliferation
Etymology
Borrowed from French prolifération.