light reaction

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light reaction

n.
Any of the chemical reactions that take place as part of the first stage of photosynthesis and require the presence of light, by which energy captured from light is converted to chemical energy in the form of ATP.

light reaction

n
(Botany) botany the stage of photosynthesis during which light energy is absorbed by chlorophyll and transformed into chemical energy stored in ATP. Compare dark reaction
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.light reaction - the first stage of photosynthesis during which energy from light is used for the production of ATP
photochemical reaction - a chemical reaction produced by the action of light
photosynthesis - synthesis of compounds with the aid of radiant energy (especially in plants)