photoactivationn.
/ˌfəʊtəʊaktᵻˈveɪʃn/, U.S. /ˈˌfoʊdoʊˌæktəˈveɪʃ(ə)n/ Chiefly Physical Chemistry.
Production of an active or activated state by means of light.
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photoactivation1925
1925 London, Edinb., & Dublin Philos. Mag. 6th Ser. 49 1116 (heading) A note on the photo-activation of chlorine.
1974 Physiologia Plantarum 32 228 (heading) Action spectrum for photoactivation of the water-splitting system in plastids of intermittently illuminated wheat leaves.
1991 D. T. Sawyer Oxygen Chem. i. 9 The mechanistic sequence that facilitates this reaction involves an initial photoactivation process in which light is trapped and converted to chemical energy.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1925- perchers
- perchery
- perches
- perching
- perching bough
- perching machine
- perching place
- perching room
- perchist
- perchlike
- perchling
- perchlor
- perchloracetic
- perchloraldehyde
- perchlorate
- perchlorate of potash
- perchlorated
- perchlorates
- perchlorbenzene
- perchloric
- perchloric acid
- perchloride
- perchlorides
- perchlorinated
- perchlorination