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.

Slang Meanings of photochemical