1. Electromagnetic radiation that can produce photochemical reactions
   - actinic radiation

Derived forms: actinic rays

Type of: electromagnetic radiation, electromagnetic wave, nonparticulate radiation

Part of: electromagnetic spectrum

• cobra
• cobweb
• cobwebbed
• cobwebby
• coca
• Coca Cola
• coca plant
• cocain
• cocaine
• cocaine addict
• cocaine addiction
• cocainise
• cocainize
• cocarboxylase
• coccal
• cocci
• coccid insect
• Coccidae
• Coccidia
• coccidioidomycosis
• coccidiomycosis
• coccidiosis
• coccidium
• Coccinellidae
• coccobacillus