Tennant, Smithson, 1761–1815, English chemist. In 1796 he proved, by burning a diamond, that the diamond consists solely of carbon. In 1804 he announced his discovery of osmium and iridium.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Smithson Tennant from Infoplease:
- Tennant: meaning and definitions - Tennant: Definition and Pronunciation
- osmium - osmium osmium , metallic chemical element; symbol Os; at. no. 76; at. wt. 190.2; m.p. ...
- iridium - iridium iridium , metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.22; m.p. about ...