bo·rax /ˈborˌæks, ˈbɔr, əks/
硼砂
bo·rax /ˈbo(ə)rˌæks, ˈbɔ(ə)r, əks/ 名詞
硼砂,硼酸鈉
Bo·rax n. A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O.
Borax bead. Chem. See Bead, n., 3.
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borax
n : an ore of boron consisting of hydrated sodium borate; used
as a flux or cleansing agent
[also: boraces (pl)]