English-Thai Dictionary
pyroxene
N กลุ่ม แร่ พวก ซิ ลิเกต ของ แมกนีเซียม แคลเซียม เหล็ก และ อื่นๆ
Webster's 1828 Dictionary
PYROXENE
n.[Gr. , fire; a stranger; a guest in fire, unaltered. ] Augite. A species of minerals of the class of stones, which has been named volcanic shorl; but it is a family which comprehends many substances of different appearances. It is almost always crystalized, but in complicated forms.
Webster's 1913 Dictionary
PYROXENE
Pyr "ox *ene, n. Etym: [F. pyroxène, from Gr. (Min. )
Defn: A common mineral occurring in monoclinic crystals, with a prismatic angle of nearly 9 º, and also in massive forms which are often laminated. It varies in color from white to dark green and black, and includes many varieties differing in color and composition, as diopside, malacolite, salite, coccolite, augite, etc. They are all silicates of lime and magnesia with sometimes alumina and iron. Pyroxene is an essential constituent of many rocks, especially basic igneous rocks, as basalt, gabbro, etc.
Note: The pyroxene group contains pyroxene proper, also the related orthorhombic species, enstatite, bronzite, hypersthene, and various monoclinic and triclinic species, as rhodonite, etc.
New American Oxford Dictionary
pyroxene
py rox ene |pīˈräkˌsēn, pə -paɪˈrɑksin | ▶noun any of a large class of rock-forming silicate minerals, generally containing calcium, magnesium, and iron and typically occurring as prismatic crystals. ORIGIN early 19th cent.: from pyro- ‘fire ’ + Greek xenos ‘stranger ’ (because the mineral group was supposed alien to igneous rocks ).
Oxford Dictionary
pyroxene
pyroxene |pʌɪˈrɒksiːn | ▶noun any of a large class of rock-forming silicate minerals, generally containing calcium, magnesium, and iron and typically occurring as prismatic crystals. ORIGIN early 19th cent.: from pyro- ‘fire ’ + Greek xenos ‘stranger ’ (because the mineral group was supposed alien to igneous rocks ).
The Wordsmith Dictionary