pyrolusite

英 [,paɪrə(ʊ)'luːsaɪt]美

n. [矿物] 软锰矿

英文词源

pyrolusite (n.)

"manganese dioxide," 1828, the name given in Roman times, when it was used, in a heated state, to de-colorize glass, from Greek elements pyro- "by heat, by fire" (see pyro-) + lysis "a loosening" (see lose).

双语例句

1. The mineral components of nodules are mainly pyrolusite, psilomelane and limonite.

锰结核主要由硬锰矿、软锰矿、褐铁矿构成.

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