Search:thorium -> THORIUM
thorium
t h o r i u m hex:#116;#104;#111;#114;#105;#117;#109;
The Salt of the World?
- Thorium - n. - A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0.