Alcohol (Eng-bûn: alcohol, Hoâ-gí: 醇 sûn) sī iú-ki hòa-ha̍p-bu̍t ê chi̍t ê chin chia̍p-khòaⁿ ê lūi-pia̍t. Jīm-hô iú-ki hòa-ha̍p-bu̍t, chí-iàu ū hydroxyl koan-lêng-ki (–OH) kap páu-hô ê thoàⁿ goân-chú kiān-kiat, chiū sī alcohol.

Hydroxyl koan-lêng-ki (–OH) sī alcohol ê chú-iàu te̍k-teng.