Last Updated
：2026/01/05
不飽和
Hiragana
ふほうわ
Noun
Japanese Meaning
不飽和とは、主に化学の分野で用いられる用語で、ある系や化合物が理論上取りうる最大限の量や結合をまだ満たしていない状態を指す。特に有機化学では、二重結合や三重結合を含み、水素原子が「飽和」状態まで結合していない炭化水素（不飽和脂肪酸など）を指す。また、溶液や気体中に、溶質や水蒸気などが飽和量に達していない状態も不飽和と呼ぶ。
Easy Japanese Meaning
かがくで、まだいっぱいではなく、さらになかみをふやせるようす
Chinese (Simplified) Meaning
未达到饱和的状态 / 化学：含有双键或三键的性质（可加成） / 溶液或蒸气浓度低于饱和
Chinese (Traditional) Meaning
未達飽和的狀態（化學） / 含有雙鍵或三鍵、仍可進行加成的性質
Korean Meaning
포화되지 않은 상태 / (화학) 분자에 이중·삼중 결합이 있어 추가 결합이 가능한 상태
Vietnamese Meaning
sự không bão hòa (trong hóa học) / trạng thái bất bão hòa
Tagalog Meaning
di-puspos (sa kimika) / di-puspos na kalagayan
Sense（1）
(chemistry) unsaturated
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
不飽和
See correct answer
This compound is an unsaturated hydrocarbon.
See correct answer
この化合物は不飽和炭化水素です。
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