鈹かわ

noun

matte (metallurgy)

Technical term in metallurgy for a mixture of sulfides produced during smelting. The kanji 鈹 is rare; usually written in kana.

See also: マット

• 銅どうの製せい錬れんでは、まずかわが生せい成せいされる。

  In copper smelting, matte is produced first.