1. United States chemist noted for discovering the series of chemical reactions in photosynthesis (1911-)
   - Calvin

Type of: chemist

Encyclopedia: Melvin Calvin

• ordnance
• ordnance store
• Ordnance Survey
• ordonnance
• Ordovician
• Ordovician period
• ordure
• ore
• ore bed
• ore dressing
• ore processing
• Oread
• Oreamnos
• Oreamnos americanus
• orectic
• Orectolobidae
• Orectolobus
• Orectolobus barbatus
• oregano
• Oregon
• Oregon alder
• Oregon ash
• Oregon cedar
• Oregon crab apple
• Oregon fir