Definition

A substance that becomes reactive when exposed to light, often used in chemical reactions to produce a desired effect.

Example

The researchers used a photosensitizer to enhance the efficiency of the solar cells.

Conversation

Have you ever heard of a photosensitizer?

Yeah, I think it's used in some types of reactions, right?

Exactly! It helps initiate photochemical reactions, which is pretty cool.

That sounds fascinating! I’d love to learn more about how it works.

Synonyms & Antonyms

Root Explanation

Photosensitizer → It is formed from "photo-" (from Greek "phōs", meaning light) and "sensitizer" (from Latin "sensibilis", meaning able to feel or perceive). The word refers to a substance that makes something sensitive to light.

Memory Tip

Think of 'light' ('photo-') making something 'sensitive' ('sensitizer') — that's why a photosensitizer is a substance that increases sensitivity to light.

Visually Confused Words