Share this entry

Share this page

photolysis

Syllabification: pho·tol·y·sis
Pronunciation: /fōˈtäləsəs
 
/

Definition of photolysis in English:

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.

Derivatives

photolyze

1
Pronunciation: /ˈfōtlˌīz/
verb
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.

photolytic

2
Pronunciation: /ˌfōtlˈitik/
adjective
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.

Definition of photolysis in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day cumbersome
Pronunciation: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…