[ pʌɪ'rɒksi:n ]
■ noun any of a large class of rock-forming silicate minerals typically occurring as prismatic crystals.
Origin
C19: from pyro- + Gk xenos 'stranger' (because supposedly alien to igneous rocks).
[ pʌɪ'rɒksi:n ]
■ noun any of a large class of rock-forming silicate minerals typically occurring as prismatic crystals.
Origin
C19: from pyro- + Gk xenos 'stranger' (because supposedly alien to igneous rocks).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004