Learn how to say Topaz correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word topaz:
1a precious stone, typically colourless, yellow, or pale blue, consisting of an aluminium silicate that contains fluorine.
[mass noun] a dark yellow colour:
bright topaz eyes
2a large tropical American hummingbird with a yellowish throat and a long tail.
Genus Topaza, family Trochilidae: two species
Middle English (denoting a yellow sapphire): from Old French topace, via Latin from Greek topazos