(redirected from photolytic)
Also found in: Medical, Encyclopedia.


Chemical decomposition induced by light or other radiant energy.

pho′to·lyt′ic (fō′tə-lĭt′ĭk) adj.
pho′to·lyt′i·cal·ly adv.


(Chemistry) chemical decomposition caused by light or other electromagnetic radiation. Compare radiolysis
photolytic adj


(foʊˈtɒl ə sɪs)

the chemical decomposition of materials under the influence of light.
pho•to•lyt•ic (ˌfoʊt lˈɪt ɪk) adj.


the breakdown of matter or materials under the influence of light. — photolytic, adj.
See also: Decaying
the breakdown of matter or materials under the influence of light. — photolytic, adj.
See also: Light


The decomposition or disassociation of a compound when exposed to light of a certain wavelength.
References in periodicals archive ?
Two preliminary photolysis tests were carried out under non-preheated, isothermal reaction conditions to confirm that the possible thermal and photolytic reactions are not appreciable.
Marzouki, Photolytic Decolorization of Rose Bengal by UV/H2O2 and Data Optimization Using Response Surface Method, J.
The reaction was carried out under photolytic (using 100W tungsten bulb) as well as thermal conditions to induce N-Br cleavage.
Photolytic degradation of triclosan in freshwater and seawater.
Nevertheless, when hydrogen peroxide is placed in the solution, the oxidant process is enhanced because the photolytic dissociation of hydrogen peroxide with radiation of 254 nm yields hydroxyl radicals, responsible for an additional oxidation pathway, as can be seen in Eq.
EESC is calculated from surface measurements of halogenated, ozone-depleting gases and weighting factors that include surface-to-stratosphere transport times, mixing during transit, photolytic reactivity, and ozone-destruction efficiency (Daniel et al.
33) Clearly, there is a need for safer sunscreens that ensure optimal photo-protection with minimal photolytic decomposition and skin damaging byproduct formation.
Roland Erich Weber, a POPs expert of UN Environment Programme, said that persistent organic pollutants are organic compounds that are resistant to environmental degradation through chemical, biological, and photolytic processes.
Inositol 1,4,5trisphosphate receptor function in human oocytes: calcium responses and oocyte activation-related phenomena induced by photolytic release of InsP3 are blocked by a specific antibody to the type I receptor," Molecular Human Reproduction, vol.
Madison, "Neuroblastoma grafts are noninvasively removed within mouse neocortex by selective laser activation of intracellular photolytic chromophore," The Journal of Neuroscience, vol.
However, global uncertainty on volatilization rates, residence time in soil, photolytic degradation of iodomethane, and the removal of iodine radicals from the troposphere means that the possibility of detrimental effects of iodomethane on ozone layer and a contribution to global warming cannot be excluded entirely (U.
It is recommended that the forced degradation studies should be designed to generate suitable information required to develop and validate the test methods for confirmatory studies, where test should be capable of defining photolytic degradation that appear during confirmatory studies.