Last Updated
：2026/01/11
水酸化ナトリウム
Hiragana
すいさんかなとりうむ
Noun
Japanese Meaning
強い塩基性を示す無機化合物で、化学式 NaOH。水に溶けると水酸化物イオンを生じ、非常に腐食性が高く、石鹸・紙・各種薬品の製造や排水の中和などに用いられる。苛性ソーダとも呼ばれる。
Easy Japanese Meaning
とてもつよいあくで、しろいこなやつぶの薬ひん。せっけんなどをつくる。さわるとあぶない。
Chinese (Simplified) Meaning
氢氧化钠 / 苛性钠 / 烧碱
Chinese (Traditional) Meaning
氫氧化鈉 / 苛性鈉 / 燒鹼
Korean Meaning
나트륨의 수산화물인 강염기성 화합물. / 화학식 NaOH의 흰 고체로 비누 제조·중화 등에 사용됨. / 가성소다의 정식 명칭.
Indonesian
natrium hidroksida / soda kaustik
Vietnamese Meaning
natri hiđroxit (NaOH) / xút (xút ăn da) / soda ăn da
Tagalog Meaning
sosa hidroksido / malakas na base/alkali na nakakaagnas / liyiya (caustic soda)
Sense（1）
(inorganic chemistry) sodium hydroxide
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
Quizzes for review
See correct answer
水酸化ナトリウム
See correct answer
In this experiment, we will use sodium hydroxide.
See correct answer
この実験では、水酸化ナトリウムを使います。
Japanese - English
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