Last Updated
：2025/12/07
二酸化窒素
Hiragana
にさんかちっそ
Noun
Japanese Meaning
無色から赤褐色の有毒な気体で、大気汚染物質の一種。化学式はNO₂。窒素酸化物の一つで、自動車の排気ガスなどに含まれる。
Easy Japanese Meaning
くうきのよごれのひとつで、きいろからちゃいろのガス。くるまやこうじょうから出て、けんこうにわるい。
Sense（1）
(inorganic chemistry) nitrogen dioxide
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
二酸化窒素
See correct answer
Nitrogen dioxide is a cause of air pollution.
See correct answer
二酸化窒素は大気汚染の一因です。
Japanese - English
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