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

• word meaning
• word of advice
• word of farewell
• Word of God
• word of honor
• word of honour
• word order
• word picture
• word processing
• word processing system
• word processor
• word salad
• word sense
• word square
• word stress
• word string
• word structure
• word wrap
• word-blind
• word-of-mouth
• word-painter
• word-painting
• word-perfect
• word-splitting
• word-worship