topaz

[ toh-paz ]

/ ˈtoʊ pæz /

noun

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.

Origin of topaz

1225–75; <Latin topazus<Greek tópazos; replacing Middle English topace<Old French <Latin, as above

OTHER WORDS FROM topaz

to·paz·ine

[toh-puh-zeen, -zin], /ˈtoʊ pəˌzin, -zɪn/, adjective

Words nearby topaz

Top 40, topagnosia, topagnosis, topalgia, toparch, topaz, topazolite, topaz quartz, top banana, top billing, top boot

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for topaz

A cluster of streets preserves the memory of the time in their names: Topaz Street, Diamond Street, Emerald Square.
Anne Frank’s Amsterdam|Russell Shorto|October 12, 2013|DAILY BEAST
And at the eleventh hour, Peggy Olson (Elisabeth Moss) saves the company by landing an account with Topaz Pantyhose.
‘Mad Men’ New York Premiere: Jon Hamm, January Jones, Creator Matthew Weiner & More|Marlow Stern|March 20, 2012|DAILY BEAST
I can't get it out of my head that that topaz stuck in the mud and it's sticking there to this day.
Punch, or the London Charivari, Vol. 159, September 8th, 1920|Various
With alacrity Topaz sat up, and then Gabriel began to whistle.
Jewel's Story Book|Clara Louise Burnham

He sold me the topaz bracelet, however, and I have it to this day, for I want the courage to sell it.
Jewel Mysteries|Max Pemberton
"Find me Topaz, and all the contents of this window shall be yours," she returned.
Jewel's Story Book|Clara Louise Burnham
If it does, therell be a lake here thatll furnish water enough to irrigate blame near all of the Topaz Desertbelieve me.
The Heart of Canyon Pass|Thomas K. Holmes

British Dictionary definitions for topaz

topaz

/ (ˈtəʊpæz) /

noun

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: Al 2 SiO 4 (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

Word Origin for topaz

C13: from Old French topaze, from Latin topazus, from Greek topazos

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for topaz

topaz

[ tō′păz′ ]

A colorless, blue, yellow, brown, or pink orthorhombic mineral valued as a gem. Topaz occurs as transparent or translucent prisms in silica-rich igneous rocks, such as pegmatite, and in tin-bearing rock veins. Chemical formula: Al2SiO4(F,OH)2.

Any of various yellow gemstones, especially a yellow variety of sapphire or corundum.

单词	topaz
释义	topaz [ toh-paz ] / ˈtoʊ pæz / noun 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. Origin of topaz 1225–75; <Latin topazus<Greek tópazos; replacing Middle English topace<Old French <Latin, as above OTHER WORDS FROM topaz to·paz·ine [toh-puh-zeen, -zin], /ˈtoʊ pəˌzin, -zɪn/, adjective Words nearby topaz Top 40, topagnosia, topagnosis, topalgia, toparch, topaz, topazolite, topaz quartz, top banana, top billing, top boot Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for topaz A cluster of streets preserves the memory of the time in their names: Topaz Street, Diamond Street, Emerald Square. Anne Frank’s Amsterdam\|Russell Shorto\|October 12, 2013\|DAILY BEAST And at the eleventh hour, Peggy Olson (Elisabeth Moss) saves the company by landing an account with Topaz Pantyhose. ‘Mad Men’ New York Premiere: Jon Hamm, January Jones, Creator Matthew Weiner & More\|Marlow Stern\|March 20, 2012\|DAILY BEAST I can't get it out of my head that that topaz stuck in the mud and it's sticking there to this day. Punch, or the London Charivari, Vol. 159, September 8th, 1920\|Various With alacrity Topaz sat up, and then Gabriel began to whistle. Jewel's Story Book\|Clara Louise Burnham He sold me the topaz bracelet, however, and I have it to this day, for I want the courage to sell it. Jewel Mysteries\|Max Pemberton "Find me Topaz, and all the contents of this window shall be yours," she returned. Jewel's Story Book\|Clara Louise Burnham If it does, therell be a lake here thatll furnish water enough to irrigate blame near all of the Topaz Desertbelieve me. The Heart of Canyon Pass\|Thomas K. Holmes British Dictionary definitions for topaz topaz / (ˈtəʊpæz) / noun 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: Al 2 SiO 4 (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 Word Origin for topaz C13: from Old French topaze, from Latin topazus, from Greek topazos Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for topaz topaz [ tō′păz′ ] A colorless, blue, yellow, brown, or pink orthorhombic mineral valued as a gem. Topaz occurs as transparent or translucent prisms in silica-rich igneous rocks, such as pegmatite, and in tin-bearing rock veins. Chemical formula: Al2SiO4(F,OH)2. Any of various yellow gemstones, especially a yellow variety of sapphire or corundum. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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