photochemistry

[ foh-toh-kem-uh-stree ]

noun

1. the branch of chemistry that deals with the chemical action of light.

photochemistry

/ ˌfəʊtəʊˈkɛmɪstrɪ /

noun

1. the branch of chemistry concerned with the chemical effects of light and other electromagnetic radiations Also calledactinochemistry

photochemistry

/ fō′tō-kĕm′ĭ-strē /

1. The scientific study of the effects of light and ultraviolet radiation on chemical reactions.

Derived Forms

• ˌphotoˈchemist, noun

Other Words From

• pho·to·chem·i·cal [foh-toh-, kem, -i-k, uh, l], photo·chemic adjective
• photo·chemi·cal·ly adverb
• photo·chemist noun

Word History and Origins

Origin of photochemistry¹

First recorded in 1865–70; photo- + chemistry

Example Sentences

The free radical generated from photochemistry comes into play here, entering the enzyme active site and engaging the enzymatic intermediate to enable new chemistry.

From Science Daily

Renewed interest in this light emission, driven by nanoscale temperature mapping and photochemistry applications, has reignited the debate surrounding its origins.

From Science Daily

Anyone who wants to produce medication, plastics or fertilizer using conventional methods needs heat for chemical reactions -- but not so with photochemistry, where light provides the energy.

From Science Daily

"Achieving a system like ours has been a significant challenge in photochemistry," says Katsuyama.

From Science Daily

Highly reducing or oxidizing photocatalysts are a fundamental challenge in photochemistry.

From Science Daily