[kal-vin] 
| 1. | John (Jean Chauvin or Caulvin ), 1509–64, French theologian and reformer in Switzerland: leader in the Protestant Reformation. |
| 2. | Melvin, 1911–97, U.S. chemist: Nobel prize 1961. |
| 3. | a male given name: from a Latin word meaning “bald.” |
| Calvin (kāl'vĭn) Pronunciation Key
American chemist who won a Nobel Prize in 1961 for determining the chemical reactions that occur during photosynthesis. This series of reactions is now known as the Calvin cycle. |