noun
- The fifth day of the week; the fourth working day.
- synonyms: Thursday
- A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.
- synonyms: thorium, atomic number 90
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Th. Retrieved September 20, 2026, from http://smartdefine.org/th/definitions/1315719 |
| Chicago | WordNet. 2010. "Th" http://smartdefine.org/th/definitions/1315719 (accessed September 20, 2026). |
| Harvard | WordNet 2010, Th, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/th/definitions/1315719>. |
| MLA | WordNet. "Th" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/th/definitions/1315719> |