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

Type of: astronomer, stargazer, uranologist

• parfait
• parfait glass
• parfleche
• parfocal
• parget
• pargeting
• pargetry
• pargetting
• parheliacal
• parhelic
• parhelic circle
• parhelic ring
• parhelion
• pari passu
• pari-mutuel machine
• pariah
• pariah dog
• Paridae
• paries
• parietal
• parietal bone
• parietal cortex
• parietal gyrus
• parietal lobe
• parietal pericardium