Last Updated
：2026/01/07
発煙硫酸
Hiragana
はつえんりゅうさん
Noun
Japanese Meaning
発煙硫酸（はつえんりゅうさん）とは、濃硫酸に三酸化硫黄（SO3）が溶解した発煙性の液体で、強い脱水作用と酸化作用を持ち、染料や爆薬、医薬品などの化学工業分野で用いられる危険物質。
Easy Japanese Meaning
とてもこい濃い りゅうさんがすいぶんを少しふくんだ あぶないえきたい
Chinese (Simplified) Meaning
含过量三氧化硫的硫酸 / 发烟性的硫酸，用作硝化等反应的试剂
Chinese (Traditional) Meaning
硫酸與三氧化硫的混合物 / 會冒白煙的濃硫酸，具強腐蝕性
Korean Meaning
올레움 / 발연황산
Vietnamese Meaning
oleum / axit sulfuric bốc khói
Tagalog Meaning
oleum / nag-uusok na asidong sulpuriko / asidong sulpuriko na may labis na SO3
Sense（1）
oleum; fuming sulfuric acid
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
See correct answer
発煙硫酸
See correct answer
Oleum is a very dangerous chemical, and it requires great caution when handling.
Oleum is a very dangerous chemical, and it requires great caution when handling.
See correct answer
発煙硫酸は非常に危険な化学物質で、取り扱いには十分な注意が必要です。
Japanese - English
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