| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024false′ to′paz, - Mineralogy, Jewelrycitrine (def. 2).
WordReference Random House Learner's Dictionary of American English © 2024to•paz /ˈtoʊpæz/USA pronunciation n. - Mineralogya mineral found in transparent crystal prisms and used as a gem: [uncountable]a ring of topaz.[countable]a topaz in the ring.
WordReference Random House Unabridged Dictionary of American English © 2024to•paz (tō′paz),USA pronunciation n. - a mineral, a fluosilicate of aluminum, usually occurring in prismatic orthorhombic crystals of various colors, and used as a gem.
- citrine (def. 2).
- either of two South American hummingbirds, Topaza pella or T. pyra, having chiefly red and crimson plumage and a yellowish-green throat with a topaz sheen.
- Latin, as above
- Old French
- Greek tópazos; replacing Middle English topace
- Latin topazus
- 1225–75;
Collins Concise English Dictionary © HarperCollins Publishers:: topaz /ˈtəʊpæz/ n - a white or colourless mineral often tinted by impurities, found in cavities in igneous rocks and in quartz veins. It is used as a gemstone. Composition: hydrated aluminium silicate. Formula: Al2SiO4(F,OH)2. Crystal structure: orthorhombic
- oriental topaz ⇒ a yellowish-brown variety of sapphire
- false topaz ⇒
another name for citrine - a yellowish-brown colour, as in some varieties of topaz
- (as adjective): topaz eyes
- either of two South American hummingbirds, Topaza pyra and T. pella
Etymology: 13th Century: from Old French topaze, from Latin topazus, from Greek topazos |