zirconium silicate

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a common mineral occurring in small crystals;
chief source of zirconium;
used as a refractory when opaque and as a gem when transparent
• Syn:
zircon
• Hypernyms:
mineral
• Hyponyms:
hyacinth, jacinth, jargoon, jargon
• Substance Meronyms:
zirconium, Zr, atomic number 40