Definition of topaz in English:


Syllabification: to·paz
Pronunciation: /ˈtōpaz


1A precious stone, typically colorless, yellow, or pale blue, consisting of a fluorine-containing aluminum silicate.
More example sentences
  • Brazil is the main source of gem topaz (an aluminium silicate fluoride in which hydroxyl ions replace some of the fluorine ions) Topaz can be colourless, blue, and rarely pink as well as the more familiar yellow.
  • There's also a matching pair of earrings and a ring with my birthstone, the blue topaz, in the middle and a diamond on either side of it.
  • Lined up neatly on nine velvet pillow (all different colours and sizes) were crowns and tiaras and circlets in gold, silver and bronze adorned in rubies, emerald, sapphires, opals, topazes, diamonds - you name it, it's there.
1.1A dark yellow color.
More example sentences
  • Looking up she caught amusement dancing in her aunt's dark rich topaz colored eyes.
  • The English pinstripes have new designs, and there are new colours for the fustians, like dark topaz or deep ruby.
  • His eyes were still that ever-bright topaz colour and his light brown hair had grown long and thick.
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.

Definition of topaz in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell