proliferation
pruh-lif-er-AY-shun
/prəˌlɪfəˈreɪʃən/
Rapid growth or increase in numbers, especially through multiplication of cells or rapid reproduction.
In biology, refers to cell division and spread; in general language, refers to rapid abundance or spread of things.
The story behind the word. Rooted in Latin 'proles' (offspring) and 'ferre' (to bear or carry). Originally describing plants or animals bearing abundant offspring, cellular biologists adopted it in the mid-19th century to describe cell division.
Word relationships
- multiplication: 'Multiplication' is basic math or arithmetic growth; 'proliferation' emphasizes overwhelming, rapid expansion.
- expansion: 'Expansion' means increasing in size or scope, whereas 'proliferation' specifically means increasing in headcount or cell numbers.
- depletion: Depletion means reducing in numbers, while proliferation means rapid multiplication.
- reduction: Reduction is scaling down, whereas proliferation is exploding in quantity.
Commonly confused with
- hypertrophy: Hypertrophy is cells getting bigger in size; proliferation is cells multiplying in number.
Word family
- proliferate (verb): To increase rapidly in numbers or multiply.
- proliferative (adjective): Tending to cause or undergo proliferation.
Collocations
- cell proliferation
- rapid proliferation
- nuclear proliferation
- proliferation of options
Example sentences
- "Uncontrolled cell proliferation is a defining hallmark of cancerous tissue growth." Cellular biology.
- "The non-proliferation treaty aimed to halt the spread of nuclear weapons technology worldwide." Global politics citation.
Memory hook
PROLIFERATION: PRODUCING LIFE in abundant quantities. Proles (offspring) + Ferre (bear) = Bearing offspring fast.
When not to use
Do not use 'proliferation' for a slow, linear increase in one item's size.
Fun facts
- In a single human body, blood cell proliferation generates approximately 200 billion new red blood cells every day!
Related words
Take your vocabulary further with LangBlitz
Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.