adverb
- in a manner relating to or produced by actinic radiation (ultraviolet light or other high-energy electromagnetic radiation)
Usage: technical; chiefly used in scientific and photographic contexts
Examples
- The film was exposed actinically to ultraviolet light during the printing process.
- Actinic rays actinically affect certain chemical compounds, causing them to decompose.
- The photographic plate responded actinically to the short-wavelength radiation.
- Materials must be stored away from actinically active light sources to prevent degradation.