pyroxene

詳細解釋：

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：一種晶體矽酸鹽礦物，廣泛分布在火成岩與變質岩中，含有兩種金屬氧氣物，例如鎂，鐵，鈣，鈉或鋁

來源：
French pyroxène
法文 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岩中找到的外國物質）] *參見 ghos-ti-

【引伸】
py.roxen.ic