photostableadj.
/ˌfəʊtə(ʊ)ˈsteɪbl/, U.S. /ˌfoʊdəˈsteɪb(ə)l/ Of a substance: stable in the presence of light. Opposed to photolabile adj.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [adjective] > stable in the presence of light
photostable1921
1921 Jrnl. Gen. Physiol. 3 380 The filters are quite photostable. But in order to avoid any possible bleaching effect, a shutter is placed between the light source and the filter.
1973 Biochemistry 12 4154/1 Although sensitive to photocatalyzed degradation, these reagents readily react with thiol compounds..yielding photostable covalent derivatives.
1998 Zest Sept. 75 (advt.) Your skin is protected from UVB and from UVA rays, thanks to Mexoryl SX, an effective and photostable UVA filter.
Derivatives
photostaˈbility n. the property of being photostable.
ΘΚΠ
the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > response to light
phototaxis1893
photopathy1897
heliotaxis1898
phototropism1899
photokinesis1905
photonegativity1921
photostability1926
photophily1934
1926 Amer. Jrnl. Bot. 13 314 The photostability of chlorophyll in different states varies enormously.
1977 Protecting World's Crops (Shell Internat. Petroleum Co.) 2 Recently, however, compounds have been synthesized which combine with photostability remarkable activity against insects.
1993 Sci. Amer. Dec. 29 (advt.) Photostability could be achieved easily for UVB filters, but this was not the case for UVA filters.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1921