noun
- United States astronomer who discovered the planet Pluto (1906-1997. ).
- synonyms: Tombaugh, Clyde William Tombaugh
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Clyde Tombaugh. Retrieved September 22, 2026, from http://smartdefine.org/clyde_tombaugh/definitions/1266179 |
| Chicago | WordNet. 2010. "Clyde Tombaugh" http://smartdefine.org/clyde_tombaugh/definitions/1266179 (accessed September 22, 2026). |
| Harvard | WordNet 2010, Clyde Tombaugh, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/clyde_tombaugh/definitions/1266179>. |
| MLA | WordNet. "Clyde Tombaugh" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/clyde_tombaugh/definitions/1266179> |