白銅(はくどう)hakudō
銅に錫(すず)を加えた合金。高錫青銅とも言う。錫の割合が多いために白色が強く、鏡に多く用いられる。銅合金の中でも硬度が高く、鋳造品に適する。近代以降、白銅はニッケルを含む銅合金を指す。
第74回 正倉院展、2022年
White bronze
A term referring to any bronze alloy with a whitish-silvery color. Generally, but not always, it is comprised of copper and at least 20% tin. One of the hardest bronze alloys, it is particularly suitable for casting and was frequently used in mirrors.
74th Annual Exhibition of Shōsō-in Treasures, 2022