Last Updated：2025/11/20

(chemistry) Oxygen. / (organic chemistry) Having a methylene group replaced by a carbonyl group.

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oxo-

Source Word

oxo-

IPA(Pronunciation)

morpheme

(chemistry) Oxygen. / (organic chemistry) Having a methylene group replaced by a carbonyl group.

Japanese Meaning

酸素に関する / 有機化学において、メチレン基がカルボニル基に置き換えられた構造を示す

The oxo- substituent on the aromatic ring dramatically increased the compound's reactivity toward nucleophiles.

芳香環上のオキソ置換基が化合物の求核反応性を劇的に高めた。

Sense（1）

(chemistry) Oxygen.

Sense（2）

(organic chemistry) Having a methylene group replaced by a carbonyl group.