proliferation
n.-
1 rapid increase or spread (n.) C1 Advanced Academica sudden and fast increase in the number or amount of something.
the rapid and often excessive spread or increase in the number of something. Uncountable in its general sense, though often used with 'of'.
ExampleThe proliferation of smartphones has changed how we communicate every day.
ExampleThe rapid proliferation of digital streaming platforms has fundamentally altered the economic landscape of the entertainment industry.
UsageOften followed by the preposition 'of'.
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2 biological growth (n.) C2 Proficiency Technical Medicinethe fast growth of cells or parts of a living thing.
the reproduction or multiplication of similar forms, especially cells or organelles. Typically used in medical or biological contexts.
ExampleThe medicine is designed to stop the proliferation of cancer cells.
ExampleAbnormal cell proliferation is a primary characteristic of many malignant tumours, requiring targeted therapeutic intervention.
UsageCommonly used as an uncountable noun in scientific literature.
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3 nuclear weapons (n.) C1 Advanced Formalthe spread of nuclear weapons to countries that do not have them.
the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as 'Nuclear Weapon States'.
ExampleMany world leaders are worried about the proliferation of nuclear weapons.
ExampleInternational treaties were established to prevent the proliferation of atomic weaponry and to encourage the peaceful use of nuclear energy.
Teacher's tipIn political contexts, you will almost always see this paired with 'non-' (non-proliferation) to describe efforts to stop the spread.
- disarmament
- non proliferation
Borrowed from French prolifération.