名詞 pyroxene:

1. any of a group of crystalline silicate mineral common in igneous and metamorphic rocks

py.rox.ene

n.（名詞）
Any of a group of crystalline silicate minerals common in igneous and metamorphic rocks and containing two metallic oxides, as of magnesium, iron, calcium, sodium, or aluminum.
輝石：一種晶體硅酸鹽礦物，廣泛分布在火成巖與變質(zhì)巖中，含有兩種金屬氧氣物，例如鎂，鐵，鈣，鈉或鋁

來源：
French pyroxène
法語 pyroxène
Greek puro- [pyro-]
希臘語 puro- [熱]
Greek xenos [stranger (originally viewed as a foreign substance when found in igneous rocks)] * see ghos-ti-
希臘語 xenos [陌生人（最初被認為是在火或巖中找到的外國物質(zhì)）] *參見 ghos-ti-

【引伸】
py.roxen.ic