Definition of photolysis in English:

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Pronunciation: /fə(ʊ)ˈtɒlɪsɪs/


[mass noun] Chemistry
The decomposition or separation of molecules by the action of light.
Example sentences
  • To the best of our knowledge, no spectral and compositional data have ever been directly and simultaneously obtained for anthracene photolysis in solid particulate matter.
  • These compounds are generated by photolysis of atoms and simpler chemical compounds.
  • This reaction should take place in darkroom conditions to protect the aryl azide from photolysis.



Pronunciation: /ˈfəʊtəlʌɪz/
Example sentences
  • But it would not take a very sophisticated knowledge of science to know that hydrogen couldn't be held by earth's gravity, and methane and ammonia would be photolysed quickly.
  • Chan and co-workers synthesized a ‘caged’ unfolded version of the peptide that can be photolysed in neat water solution to initiate peptide folding.
  • They measure free Ca2 + in the focal spot of a confocal microscope (with the resting beam) and elicit transients in free Ca2 + by photolysing DM-Nitrophen with a flash of UV light.


Pronunciation: /fəʊtəˈlɪtɪk/
Example sentences
  • The first is the photolytic reaction of molecular oxygen to give atomic oxygen, which subsequently combines with another oxygen molecule to give ozone.
  • This titration served to correlate pH values with Mb spectra in the photolytic acidifications.
  • Unfortunately, a similar range of carotenoid photolytic cleavage products were also present in extracts of the leaves.

For editors and proofreaders

Line breaks: pho|toly¦sis

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