Definition

Relating to the chemical processes that occur when light interacts with substances.

Example

The photochemical reactions in plants are essential for photosynthesis.

Conversation

Have you heard about the new photochemical process they are using for solar panels?

No, I haven't! What does it involve?

It's fascinating; it uses light to trigger chemical reactions to generate energy.

That sounds really innovative! I love how technology is evolving.

Synonyms & Antonyms

Root Explanation

Photochemical → It is formed from "photo-" (from Greek "phōs", meaning light) and "chemical" (from Greek "khēmeia", meaning the art of transmuting metals). The word "photochemical" refers to processes or reactions that involve light and chemical changes.

Memory Tip

Think of 'light' ('photo-') interacting with 'chemicals' — that's what photochemical means.

Visually Confused Words