noun
- the branch of chemistry that deals with the chemical effects of light and the interactions between light and matter.
Usage: uncountable; scientific/technical field
Examples
- Photochemistry explains how plants convert sunlight into chemical energy during photosynthesis.
- The study of photochemistry is essential for developing new solar cell technologies.
- Photochemistry plays a key role in atmospheric chemistry and ozone formation.
- Researchers in photochemistry investigate how UV light triggers chemical reactions in molecules.
- Understanding photochemistry helps scientists design more efficient light-activated medications.