photoactivatedadj.
/ˌfəʊtəʊˈaktᵻveɪtᵻd/, U.S. /ˌfoʊdoʊˈæktəˌveɪdᵻd/ Chiefly Physical Chemistry.
Activated by light; brought about or initiated by photoactivation.
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photosensitive1886
photoactive1908
photoactivated1926
1926 Ann. Rep. Progr. Chem. 22 360 In general, the ‘electron-loosening’ mechanism of Stark..describes the state of a photo-activated molecule better than the other conceptions put forward by photochemists.
1954 Jrnl. Res. Nat. Bureau of Standards (U.S.) 53 125 (heading) Catalytic photoactivated polymerization of tetrafluoroethylene.
2004 Physical Rev. A. 70 21402 Colliding atoms are transferred into bound molecular states in a two-step photoactivated process.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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