Definition of photoactive in English:


Line breaks: photo|active
Pronunciation: /ˌfəʊtəʊˈaktɪv


  • (Of a substance) capable of a chemical or physical change in response to illumination.
    More example sentences
    • None of the subjects had a history of photosensitivity, was receiving photoactive medication, or had sunbathed within 3 months of participating in the study.
    • The team used chromophores with very large two-photon absorption cross sections to develop photoactive materials, and tuned the laser to excite the dyes.
    • The supramolecular assembly of photoactive materials into thin film architectures is a topic of current theoretical and experimental interest and of significant practical importance in photoelectric devices.

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