PHOTOCHEMICAL REACTION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does photochemical reaction mean? 

• PHOTOCHEMICAL REACTION (noun)
  The noun PHOTOCHEMICAL REACTION has 1 sense:

1. a chemical reaction produced by the action of light

  Familiarity information: PHOTOCHEMICAL REACTION used as a noun is very rare.

 Dictionary entry details 

• PHOTOCHEMICAL REACTION (noun)

Sense 1

Meaning:

A chemical reaction produced by the action of light

Classified under:

Nouns denoting natural processes

Hypernyms ("photochemical reaction" is a kind of...):

chemical reaction; reaction ((chemistry) a process in which one or more substances are changed into others)

Hyponyms (each of the following is a kind of "photochemical reaction"):

light reaction (the first stage of photosynthesis during which energy from light is used for the production of ATP)

 Context examples 

When exposed to light, aminobenzoic acid (para-aminobenzoic acid or PABA) absorbs UV light and emits excess energy via a photochemical reaction that may cause damage to DNA.

(Aminobenzoic acid, NCI Thesaurus)