photoconversionn.
/ˌfəʊtəʊkənˈvəːʃn/, U.S. /ˈˌfoʊdəkənˈvərʒ(ə)n/ Chemistry and Biochemistry.
A reversible chemical change effected by light, esp. that of one form of phytochrome to the other.
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photoconversion1943
1940 G. N. Lewis et al. in Jrnl. Amer. Chem. Soc. 62 2974/2 We have studied the quantum yield in the photochemical conversion of cis- to trans- and trans- to cis-stilbene.]
1943 R. N. Jones in Chem. Rev. 32 41 Lewis and coworkers have discussed these differences and their bearing on the photoconversion of one isomer into the other.
1964 Photochem. & Photobiol. 3 521 The absorption spectra of the two forms of phytochrome show, in addition to the major absorption bands in the red and far-red regions, minor bands in the blue and near u.v. which are also effective in the photoconversions of phytochrome, pR ⇌ pFR.
2002 Semiconductor Internat. (Nexis) 1 Nov. 63 The processing of each layer can be optimized for the photoconversion or image processing function to be performed.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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