pyroxene
[ pahy-rok-seen, puh-, pahy-rok-seen ]
/ paɪˈrɒk sin, pə-, ˈpaɪ rɒkˌsin /
noun
any of a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of rocks, especially basic igneous rocks.
Origin of pyroxene
OTHER WORDS FROM pyroxene
py·rox·en·ic [pahy-rok-sen-ik] /ˌpaɪ rɒkˈsɛn ɪk/, adjectiveWords nearby pyroxene
pyrotechnics,
pyrotechnist,
pyrotic,
pyrotoxin,
pyrotraumatic dermatitis,
pyroxene,
pyroxenite,
pyroxylin,
pyrrha,
pyrrhic,
pyrrhic victory
Example sentences from the Web for pyroxene
British Dictionary definitions for pyroxene
pyroxene
/ (paɪˈrɒksiːn) /
noun
any of a group of silicate minerals having the general formula ABSi 2 O 6, where A is usually calcium, sodium, magnesium, or iron, and B is usually magnesium, iron, chromium, manganese, or aluminium. Pyroxenes occur in basic igneous rocks and some metamorphic rocks, and have colours ranging from white to dark green or black. They may be monoclinic (clinopyroxenes) or orthorhombic (orthopyroxenes) in crystal structure. Examples are augite (the most important pyroxene), diopside, enstatite, hypersthene, and jadeite
Derived forms of pyroxene
pyroxenic (ˌpaɪrɒkˈsɛnɪk), adjectiveWord Origin for pyroxene
C19:
pyro- +
-xene from Greek
xenos foreign, because it was mistakenly thought to have originated elsewhere when found in igneous rocks
Scientific definitions for pyroxene
pyroxene
[ pī-rŏk′sēn′ ]
Any of a series of dark silicate minerals having the general chemical formula ABSi2O6, where A is either calcium (Ca), sodium (Na), magnesium (Mg), or iron (Fe), and B is either magnesium, iron, chromium (Cr), manganese (Mn), or aluminum (Al). Pyroxenes vary in color from white to dark green or black and are characterized by a rectangular-shaped cross section. They can be either monoclinic or orthorhombic and occur in igneous and metamorphic rocks. The minerals enstatite, diopside, and augite are pyroxenes.