topaz
/ˈtəʊpæz/noun
1
- a precious stone, typically colourless, yellow, or pale blue, consisting of a fluorine-containing aluminium silicate黄晶, 黄玉。
1.1
- mass noun a dark yellow colour黄玉色。
2
- a large tropical American hummingbird with a yellowish throat and a long tail南美蜂鸟。
2.1
- Genus Topaza, family Trochilidae: two species.叉尾蜂鸟属, 蜂鸟科：2种。
词源
Middle English (denoting a yellow sapphire)： from Old French topace, via Latin from Greek topazos.