photochromyn.
/ˈfəʊtəˌkrəʊmi/, U.S. /ˈfoʊdəˌkroʊmi/ 1. The process of producing printed images in colour by photographic means; colour photography. Cf. photochrome n. Now rare.
ΘΚΠ
society > leisure > the arts > visual arts > photography > [noun] > colour
heliochromy1855
photochromy1878
colour separation1904
separation1924
society > leisure > the arts > visual arts > photography > photographic processes > [noun] > colouring of photographs
photochromography1865
photochromy1878
colour snap1928
1878 Art Jrnl. Apr. 109/1 We have been forcibly struck with the last new process for the pictorial reproduction of works of Art and of Art manufacture, ‘Photochromy’, a process by which a photographic foundation is utilised for printing in colours. It is the invention of M. Léon Vidal.
1891 Sandusky (Ohio) Daily Register 23 Apr. The color in the red seals and the green banks was once a protection, but late discoveries in photochromy makes [sic] it easy to reproduce the right shades.
1900 Science 21 Sept. 445/2 Partially successful experiments in photochromy, or the direct reproduction of color by photography, were made over a quarter of a century before the announcement of Daguerre's discovery.
1950 Science 10 Nov. 554/1 The same factor that appears again and again in the history of photochromy: namely, the favorable influence on color production of a previous exposure to diffuse light.
2. The art or process of colouring photographs. rare.Apparently only attested in dictionaries or glossaries.
ΚΠ
1906 N.E.D. Photochromy.
3. Science. = photochromism n.
ΘΚΠ
the world > matter > colour > change of colour > [noun] > photochromism
photochromism1951
photochromy1951
photochromicity1966
the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > change of colour by specific exposure
phototropy1900
phototropism1921
photochromism1951
photochromy1951
tenebrescence1953
photochromicity1966
1951 Chem. Abstr. 45 10059 (heading) Photochromy in the bianthrone series.
1963 Adv. Photochem. 1 282 Photochromy and thermochromy are mutually exclusive properties in crystalline salicylidine-anilines.
1977 Chem. Rev. 77 38/1 The importance of an o-hydroxy group was confirmed by the absence of photochromy when benzaldehyde..was condensed with aniline.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
<
n.1878