| NOUN | substance | zirconium silicate, zircon | a common mineral occurring in small crystals |
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| Meaning | A common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent. | |
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| Synonym | zircon | |
| Narrower | hyacinth, jacinth | A red transparent variety of zircon used as a gemstone |
| jargoon, jargon | A colorless (or pale yellow or smoky) variety of zircon | |
| Broader | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
| Substances | zirconium, Zr, atomic number 40 | A lustrous grey strong metallic element resembling titanium |
| Spanish | circón, silicato de circonio, zircón | |
| Catalan | zircó | |
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