any of a group of monoclinic or orthorhombic silicate minerals usually containing iron or magnesium but not the hydroxyl radical, and commonly found in igneous rocks
Origin of pyroxeneFrench pyroxène from Classical Greek pyr, fire + xenos, stranger: from its being foreign to igneous rocks
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.
Origin of pyroxeneFrench pyroxène Greek puro- pyro- Greek xenos stranger (originally viewed as a foreign substance when found in igneous rocks) ; see ghos-ti- in Indo-European roots.
From French pyroxÃ¨ne, from pyro- + Ancient Greek Î¾ÎÎ½Î¿Ï‚ (ksenos, “stranger").