A blue-black, nonmetallic element (I; at. no. 53; at. wt. 126.9044) found widely distributed in mineral springs, seaweeds, etc. its salts being largely used in medicine and photography.

【化】碘(元素符号 I；原子序 53；原子量 126.9044)。为蓝黑色之非金属元素，常见于矿泉及海草中，可作药剂或照相之用。

A liquid containing iodine dissolved in ethyl alcohol, used as an antiseptic for wounds.

碘酒。用以消毒伤口。