| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024zir•con (zûr′kon),USA pronunciation n. - Mineralogy, Jewelrya common mineral, zirconium silicate, ZrSiO4, occurring in small tetragonal crystals or grains of various colors, usually opaque: used as a refractory when opaque and as a gem when transparent.
- German Zirkon; see jargon2
- 1785–95
Collins Concise English Dictionary © HarperCollins Publishers:: zircon /ˈzɜːkɒn/ n - a reddish-brown, grey, green, blue, or colourless hard mineral consisting of zirconium silicate in tetragonal crystalline form with hafnium and some rare earths as impurities. It occurs principally in igneous rocks and is an important source of zirconium, zirconia, and hafnia: it is used as a gemstone and a refractory. Formula: ZrSiO4
Etymology: 18th Century: from German Zirkon, from French jargon, via Italian and Arabic, from Persian zargūn golden |