Definition of pyroxene in English:


Syllabification: py·rox·ene
Pronunciation: /pīˈräkˌsēn, pə-


  • Any of a large class of rock-forming silicate minerals, generally containing calcium, magnesium, and iron and typically occurring as prismatic crystals.
    More example sentences
    • Extreme cases are found in mineral groups such as apatite, amphibole, pyroxene, feldspar, and tourmaline.
    • This is consistent with the fact that olivine is typically entrapped in pyroxene and amphibole crystals.
    • Chain silicates are called pyroxenes or inosilicates.


early 19th century: from pyro- 'fire' + Greek xenos 'stranger' (because the mineral group was supposed alien to igneous rocks).

More definitions of pyroxene

Definition of pyroxene in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space