photoreversaln.
/ˌfəʊtəʊrᵻˈvəːsl/, U.S. /ˌfoʊdoʊrəˈvərs(ə)l/, /ˌfoʊdoʊriˈvərs(ə)l/ Biology.
Reversal of a (biological) process by the action of light.
ΘΚΠ
the world > life > biology > biological processes > light-related processes > [noun] > other processes
photoassimilation1922
photoinactivation1938
photoact1940
photoreactivation1949
photoaction1951
photoreversal1951
photoreactivability1952
photoreversibility1954
photoprotection1958
photorepair1967
1951 Proc. Royal Soc. B. 138 276 The photo-reversal of CO inhibition occurs so quickly that by the time the light filter is changed from position I to position II, which takes somewhat less than 3 sec., the spermatozoids already start to move more quickly.
1959 P. F. Wareing in R. B. Withrow Photoperiodism ii. 77 (caption) Photoreversal of promotion and inhibition of germination by red and blue irradiation.
1966 Adv. Radiation Biol. 2 20 The direct nonenzymatic photoreversal of UV damage to DNA.
1992 Molecular & Gen. Genetics 233 332/2 The appearance of mutants in the interval between UV and subsequent photoreversal reflects misincorporation rather than deamination.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1951