photoproductionn.
/ˈfəʊtə(ʊ)prəˌdʌkʃn/, U.S. /ˈfoʊdəprəˌdəkʃ(ə)n/ 1. Particle Physics. The production of one or more particles by the action of an incident photon.
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the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > production by
photoproduction1935
1935 Proc. Royal Soc. A. 152 482 The converse of the photo-production of a pair of positive and negative electrons.
1974 H. Frauenfelder & E. M. Henley Subatomic Physics xii. 326 (caption) Total cross sections for the photoproduction of neutral and charged pions from hydrogen.
1998 Science 30 Jan. 685/1 The relativistic proton energy loss is dominated by photoproduction of pions in collisions with low-energy synchrotron photons (originating from accelerated electrons).
2. Biochemistry. Production of a substance by a photochemical process.
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the world > life > biology > biological processes > stimulation > [noun] > types of > by means of light
photostimulation1914
photoproduction1950
photostimulating1967
1950 Federation Proc. (Federation Amer. Soc. Exper. Biol.) 9 544/1 (caption) Photoproduction of H2 from succinate by Rhodopseudomonas gelatinosa.
1961 Nature 13 May 602/1 Photoproduction of hydrogen gas by photosynthetic cells was first observed..in the green alga Scenedesmus.
1993 Appl. Microbiol. & Biotechnol. 39 87 Relationship between the photoproduction of hydrogen and the accumulation of PHB in non-sulphur purple bacteria.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1935- from the staff to the corner
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- from the sublime to the ridiculous is but one step
- from the sunward
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