- organic bonded tritium
- organic carbon
- organic carbon/elemental carbon online analyzer
- organic carbon method
- organic catalysis for polymerization
- organic cathode interface material
- organic cation transporter
- organic charge transfer complex
- organic chemical reagent
- organic chemical sensor
- organic chemistry
- Organic Chemistry Frontiers
- organic chromogenic reagent
- organic circuit
- organic coating
- organic complexing agent
- organic composition of capital
- organic compound
- organic conductive materials
- organic conductor
- organic connection
- organic coprecipitant
- organic criticism
- organic crystal
- organic cultivation