最終更新日：2024/08/02

(chemistry, dated) crude native borax, formerly imported from Tibet, and once the chief source of boric compounds

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tincal

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tincal

noun

(chemistry, dated) crude native borax, formerly imported from Tibet, and once the chief source of boric compounds

Tincal is a naturally occurring mineral.

意味（1）

(chemistry, dated) crude native borax, formerly imported from Tibet, and once the chief source of boric compounds