Meaning & Definition of word "Photochemical"
Photochemical
/ˌfoʊtəˈkɛmɪkəl/
adjective:
- 1. Relating to the chemical effects of light.
- Example: The photochemical reactions in plants are essential for photosynthesis.
- 2. Involving the use of light to induce a chemical reaction.
- Example: Photochemical smog is formed when sunlight reacts with pollutants in the atmosphere.
- 3. Referring to processes that are influenced by the absorption of light.
- Example: Scientists study photochemical processes to understand how light affects chemical compounds.
Etymology
●From 'photo-' meaning light + 'chemical' relating to chemistry.
Common Phrases and Expressions
photochemical reaction:
A chemical reaction triggered by the absorption of light.
photochemical smog:
Air pollution resulting from chemical reactions in the presence of sunlight.
Related Words
photosynthesis:
The process by which green plants use sunlight to synthesize foods.
photoreactive:
Substances that change when exposed to light.