n.
- A colorless, blue, yellow, brown, or pink aluminum silicate mineral, often found in association with granitic rocks and valued as a gemstone, especially in the brown and pink varieties.
- Any of various yellow gemstones, especially a yellow variety of sapphire or corundum.
- A light yellow variety of quartz.
- Either of two South American hummingbirds (Topaza pyra or T. pella) having colorful plumage.
[Middle English topace, from Old French, from Latin topazus, from Greek topazos.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.