汚染
The process of making land, water, or air dirty and dangerous for living things through harmful substances. It is most commonly used in environmental contexts to describe pollution or chemical contamination.
例文
3 / 5この川は汚染されています。
This river is polluted.
大気汚染を減らすための新しい法律が施行されました。
A new law has been enacted to reduce air pollution.
海が汚染されちゃって、魚がかわいそうだね。
The sea has gotten polluted, I feel sorry for the fish.
語族
覚え方のコツ
The first kanji 汚 means 'dirty' and the second 染 means 'dye' or 'stain'. Think of a 'dirty dye' leaking into a river and staining the whole environment.
クイックテスト
工場の排水で、近くの川が_____されてしまいました。
正解！
正解は： 汚染
例文
この川は汚染されています。
everydayThis river is polluted.
大気汚染を減らすための新しい法律が施行されました。
formalA new law has been enacted to reduce air pollution.
海が汚染されちゃって、魚がかわいそうだね。
informalThe sea has gotten polluted, I feel sorry for the fish.
土壌汚染が農作物に与える影響を研究する。
academicResearch the impact that soil contamination has on agricultural crops.
我が社は汚染物質の排出制限を遵守しています。
businessOur company complies with the emission limits for pollutants.
語族
よく使う組み合わせ
よく使うフレーズ
汚染が広がる
pollution spreads
汚染を除去する
to remove contamination
汚染にさらされる
to be exposed to pollution
よく混同される語
Yogoreru is used for physical dirt like a dirty shirt, while osen is for hazardous/chemical contamination.
Kansen refers to biological infection (viruses/bacteria), whereas osen refers to environmental or chemical pollution.
使い方のコツ
汚染 is a formal word typically used in news, science, or discussions about the environment. It is almost always used with a specific medium like air, water, or soil.
よくある間違い
Don't use 汚染 to describe a messy room or dirty clothes; use 汚い (kitanai) or 汚れる (yogoreru) instead.
覚え方のコツ
The first kanji 汚 means 'dirty' and the second 染 means 'dye' or 'stain'. Think of a 'dirty dye' leaking into a river and staining the whole environment.
語源
A Sino-Japanese compound (kango) where '汚' (dirty/filthy) combines with '染' (to dye/stain/permeate).
文法パターン
文化的な背景
Japan has a history of major pollution-related diseases (like Minamata disease), leading to very strict social and legal standards regarding environmental protection.
クイックテスト
工場の排水で、近くの川が_____されてしまいました。
正解！
正解は： 汚染
関連語彙
environmentの関連語
持続
B2Continuing or enduring over a long period of time without interruption. It is a key term in discussions about sustainability and long-term habits.
温暖化
B2The phenomenon of the Earth's average atmospheric temperature rising over time, primarily due to the greenhouse effect. It is a central theme in discussions about climate change and environmental policy.
自給率
B2Self-sufficiency rate. The degree to which a country can satisfy its own needs (usually food or energy) without relying on imports.
生物多様性
B2The variety of all living things and their interactions. It is often used to describe the health and stability of an ecosystem.
温室効果
B2The trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation than to infrared radiation.
絶滅危惧種
B2A species of animal or plant that is at serious risk of extinction.
持続可能
B2Able to be maintained at a certain rate or level; particularly relating to conserving an ecological balance by avoiding depletion of natural resources.
悪影響
B2A bad or harmful influence or effect on someone or something.
温室効果ガス
B2Gases in Earth's atmosphere that trap heat, contributing to the greenhouse effect and global warming.
循環型社会
B2A society based on the sustainable use of resources, where waste is minimized through recycling, reusing, and reducing consumption.
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