/zerr"kon/ , n.
a common mineral, zirconium silicate, ZrSiO 4 , occurring in small tetragonal crystals or grains of various colors, usually opaque: used as a refractory when opaque and as a gem when transparent.
[ 1785-95; Zirkon; see JARGON 2 ]
/zerr"kon/ , n.
a common mineral, zirconium silicate, ZrSiO 4 , occurring in small tetragonal crystals or grains of various colors, usually opaque: used as a refractory when opaque and as a gem when transparent.
[ 1785-95; Zirkon; see JARGON 2 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012