How to say "proliferation" in Japanese
Choosing the right word
- 急増きゅうぞうnoun, suru verb, transitive verb, intransitive verbCovers proliferation in the sense of a rapid increase or surge in numbers. Choose it when the emphasis is on how sharply something rises in quantity, not on spreading or multiplying.
- 蔓延まんえんnoun, suru verb, intransitive verbCovers proliferation as the unchecked spread of something undesirable, such as a disease; the nuance is rampancy. Typical when a problem or illness is running rampant rather than simply increasing in number.
- 増殖ぞうしょくnoun, suru verb, transitive verb, intransitive verbCovers proliferation as multiplication or propagation — things increasing in number by multiplying. Typical of biological contexts such as cells proliferating, where growth comes from reproduction rather than a surge or spread.
Use 急増 for proliferation as a rapid surge in numbers, 蔓延 for something undesirable spreading unchecked like a disease, and 増殖 for proliferation as multiplication or propagation of cells and organisms.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
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