photochemicadj.
/ˌfəʊtə(ʊ)ˈkɛmɪk/, U.S. /ˌfoʊdəˈkɛmɪk/ rare.
= photochemical adj.
ΘΚΠ
the world > matter > chemistry > chemistry as a science > branches of chemistry > [adjective]
mago-chemical1652
physico-chemical1664
chemico-medical1744
unorganic1775
pneumato-chemical1790
electrochemical1808
electrochemic1813
zymological1828
photochemical1858
thermochemical1871
physiochemical1881
stoicheiometrical1887
stereo-chemical1890
stoicheiometric1892
physical-chemical1896
zymotechnic1896
zymotechnical1900
photochemic1907
magnetochemical1911
immunochemical1912
radiochemical1915
topochemical1920
palaeochemical1926
cosmochemical1940
mechanochemical1943
radiation-chemical1946
sonochemical1948
stereological1963
bioinorganic1970
thermochemic-
1907 H. B. Torrey in Science 6 Sept. 322/1 It is conceivable that the conditions of positive heliotropism..are present in the organisms that here interest us, that, however, their (photochemic?) activity is inhibited by [etc.].
1927 Glasgow Herald 9 July 9/2 By light-sense is meant a special photo-chemic susceptibility of certain receptor nerve-cells to light-rays.
1997 P. Kapleau Awakening to Zen (2001) 194 One needs a detailed knowledge of some of the lesser known fields of medicine as regional chemotherapy, ontological surgery, photo-chemic therapy, immunomodulators and, very important, a very up-to-date knowledge of [etc.].
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
<
adj.1907