1. United States astronomer who discovered the planet Pluto (1906-1997)
   - Clyde Tombaugh, Clyde William Tombaugh

Type of: astronomer, stargazer, uranologist

• colossally
• Colosseum
• Colossian
• Colossians
• colossus
• Colossus of Rhodes
• colostomy
• colostrum
• colour
• colour bar
• colour bearer
• colour blindness
• colour chart
• colour circle
• colour code
• colour constancy
• colour force
• colour guard
• colour in
• colour line
• colour monitor
• colour of law
• colour property
• colour scheme
• colour sergeant