Definition of pyrolusite in English:

pyrolusite

noun ˌpʌɪrə(ʊ)ˈluːsʌɪtˌpaɪroʊˈlusaɪt

mass noun

A black or dark grey mineral with a metallic lustre, consisting of manganese dioxide.
软锰矿
Example sentencesExamples
- Acicular crystals and crystal aggregates of pyrolusite are found in vugs in the pegmatites of the district.
- It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.
- The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite.
- Scheele produced chlorine by treating the mineral pyrolusite with hydrochloric acid (HCl).

Origin

Early 19th century: from pyro- 'fire, heat' + Greek lousis 'washing' (because of the mineral's use in decolorizing glass).

Definition of pyrolusite in US English:

pyrolusite

nounˌpīrōˈlo͞osītˌpaɪroʊˈlusaɪt

A black or dark gray mineral with a metallic luster, consisting of manganese dioxide.
软锰矿
Example sentencesExamples
- Acicular crystals and crystal aggregates of pyrolusite are found in vugs in the pegmatites of the district.
- The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite.
- Scheele produced chlorine by treating the mineral pyrolusite with hydrochloric acid (HCl).
- It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.

Origin

Early 19th century: from pyro- ‘fire, heat’ + Greek lousis ‘washing’ (because of the mineral's use in decolorizing glass).

词汇	pyrolusite
释义	Definition of pyrolusite in English: pyrolusite noun ˌpʌɪrə(ʊ)ˈluːsʌɪtˌpaɪroʊˈlusaɪt mass noun A black or dark grey mineral with a metallic lustre, consisting of manganese dioxide. 软锰矿 Example sentencesExamples Acicular crystals and crystal aggregates of pyrolusite are found in vugs in the pegmatites of the district. It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite. The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite. Scheele produced chlorine by treating the mineral pyrolusite with hydrochloric acid (HCl). Origin Early 19th century: from pyro- 'fire, heat' + Greek lousis 'washing' (because of the mineral's use in decolorizing glass). Definition of pyrolusite in US English: pyrolusite nounˌpīrōˈlo͞osītˌpaɪroʊˈlusaɪt A black or dark gray mineral with a metallic luster, consisting of manganese dioxide. 软锰矿 Example sentencesExamples Acicular crystals and crystal aggregates of pyrolusite are found in vugs in the pegmatites of the district. The ore, a mixture of ‘psilomelane’ and pyrolusite with much manganiferous limonite, contains masses of cerussite. Scheele produced chlorine by treating the mineral pyrolusite with hydrochloric acid (HCl). It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite. Origin Early 19th century: from pyro- ‘fire, heat’ + Greek lousis ‘washing’ (because of the mineral's use in decolorizing glass).
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