Translation guide
A functional group (-OH) in chemistry. The standard Japanese term is ヒドロキシル基 or ヒドロキシ基. In organic chemistry, 水酸基 is also used, especially in older or formal contexts.
Refer to the hydroxyl group in chemical compounds, such as alcohols and phenols.
The most common and standard term in modern chemistry. Used in both academic and industrial contexts.
エタノールはヒドロキシル基を持つ。
Ethanol has a hydroxyl group.
A shorter variant, common in organic chemistry. Interchangeable with ヒドロキシル基.
この化合物にはヒドロキシ基が結合している。
A hydroxy group is bonded to this compound.
Literally 'water acid group'. Used in some traditional or formal contexts, but less common today. May appear in older textbooks.
フェノールの水酸基は酸性を示す。
The hydroxyl group of phenol shows acidity.