Definition of pyrochroite in English:

pyrochroite

noun ˌpʌɪrə(ʊ)ˈkrəʊʌɪt

Mineralogy

A manganese-containing mineral which occurs in hydrothermal vein deposits, often as pale greenish or bluish crystals in foliated masses which darken on exposure.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Pyrochroit from pyro- + ancient Greek χροιά colour + German -it, so called because it becomes coloured when heated.

Definition of pyrochroite in US English:

pyrochroite

nounˌpʌɪrə(ʊ)ˈkrəʊʌɪt

Mineralogy

A manganese-containing mineral which occurs in hydrothermal vein deposits, often as pale greenish or bluish crystals in foliated masses which darken on exposure.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Pyrochroit from pyro- + ancient Greek χροιά colour + German -it, so called because it becomes coloured when heated.

单词	pyrochroite
释义	Definition of pyrochroite in English: pyrochroite noun ˌpʌɪrə(ʊ)ˈkrəʊʌɪt Mineralogy A manganese-containing mineral which occurs in hydrothermal vein deposits, often as pale greenish or bluish crystals in foliated masses which darken on exposure. Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Pyrochroit from pyro- + ancient Greek χροιά colour + German -it, so called because it becomes coloured when heated. Definition of pyrochroite in US English: pyrochroite nounˌpʌɪrə(ʊ)ˈkrəʊʌɪt Mineralogy A manganese-containing mineral which occurs in hydrothermal vein deposits, often as pale greenish or bluish crystals in foliated masses which darken on exposure. Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From German Pyrochroit from pyro- + ancient Greek χροιά colour + German -it, so called because it becomes coloured when heated.
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