IPA: //ˌfoʊtoʊɪkˈsaɪtɪd//
KK: /ˈfoʊtoʊɪkˌsaɪtɪd/
Describing an atom, molecule, or ion that has gained energy and become excited as a result of absorbing light.
The photoexcited molecules reacted quickly with their surroundings.
To cause a substance to become excited or energized by light, typically in a scientific context.
The molecules were photoexcited by the laser beam, leading to a reaction.
Past: photoexcited
Past Participle: photoexcited
Photoexcited → It is formed from "photo-" (from Greek "phōs", meaning light) and "excited" (from Latin "excitare", meaning to rouse or stir up). The word "photoexcited" refers to a state that is roused or energized by light.
Think of 'light' ('photo-') energizing something ('excited') — that's why photoexcited means energized by light.
No commonly confused words.