Definition

The process in which a substance's atoms or molecules become excited after absorbing light energy.

Example

Photoexcitation is essential in processes like photosynthesis, where plants convert light energy into chemical energy.

Conversation

Have you heard about photoexcitation in science class?

Yeah, I think it's about how light can excite atoms, right?

Exactly! It's fascinating how energy from photons can change states.

For sure! It really shows how interconnected light and matter are.

Synonyms & Antonyms

Root Explanation

Photoexcitation → It is formed from "photo-" (from Greek "phōs", meaning light) and "excitation" (from Latin "excitare", meaning to rouse or awaken). The word describes the process of being roused or energized by light.

Memory Tip

Think of 'light' ('photo-') causing something to be 'roused' or 'awakened' ('excitation') — that's what photoexcitation means.

Visually Confused Words