Topaz

Definition of Topaz

To´paz
n.1.(Min.) A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.
2.(Zool.) Either one of two species of large, brilliantly colored humming birds of the genus Topaza (Topaza pella or Topaza pyra), of South America and the West Indies.
False topaz
(Min.) See the Note under Quartz.

Related Words

common topaz, false topaz, quartz
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Top-boots
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Top-cloth
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-Topaz-
Topazolite
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Topgallant breeze
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Toph
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Tophin
Tophus
Topi
Topiarian
Topiary
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