- a light-colored or colorless, very hard, orthorhombic mineral, Al(SiO)(F,OH), often used as a gem; hydrous aluminum silicate
- any of a various yellowish minerals that resemble yellow topaz, esp. citrine
- either of two brightly colored hummingbirds (Topaza pyra or T. pella) of South America
Origin of topazMiddle English topace from Old French topase from Classical Latin topazus from Classical Greek topazos
- a. A colorless, blue, yellow, brown, or pink aluminum silicate mineral, often found in association with granitic rocks and valued as a gemstone.b. Any of various yellow gemstones, especially a yellow variety of sapphire or corundum.
- A light yellow variety of quartz.
Origin of topazMiddle English topace from Old French from Latin topazus from Greek topazos
(usually uncountable, plural topazes)
From the Ancient Greek proper noun Î¤Î¿Ï€Î¬Î¶Î¹Î¿Ï‚ (Topazios), ancient name of St. John's Island, Egypt, in the Red Sea, believed to be the first discovered source of the mineral Ï„Î¿Ï€Î¬Î¶Î¹Î¿Î½ (topazion, “peridot").