Definitions of Dalton:

• noun:   English chemist and physicist who formulated atomic theory and the law of partial pressures; gave the first description of red-green color blindness (1766-1844)
• name:  A surname (common: 1 in 5263 families; popularity rank in the U.S.: #608)
• name:  A male given name (rare: 1 in 12500 males; popularity rank in the U.S.: #765)