61 entries under noun topic. ×

4
photodegradation(form, study, treatment, science)
2
Grotthuss-Draper law(expression, form, study, science)
2
Hund's rule of maximum multiplicity(expression, study, treatment, science)
2
Kasha's rule(expression, study, treatment, science)
2
Norrish reaction(expression, study, treatment, science)
2
Stark-Einstein law(expression, form, study, science)
2
Woodward-Hoffmann selection rule(expression, study, treatment, science)
2
absorption of infrared radiation(expression, form, study, science)
2
absorption of ultraviolet(expression, form, study, science)
2
absorption of visible light(expression, form, study, science)
2
activation barrier(expression, form, study, science)
2
bioluminescence(study, treatment, science, knowledge)
2
chemical reaction(expression, form, study, science)
2
chemical reagent(expression, study, treatment, science)
2
chemical substance(expression, form, study, science)
2
conservation of angular momentum(expression, form, study, science)
2
electrocyclic reaction(expression, study, treatment, science)
2
excited state(expression, form, study, science)
2
excited state proton transfer(expression, study, treatment, science)
2
first law of photochemistry(expression, form, study, science)
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APASmart Define. (2013). photochemistry thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/photochemistry/thesaurus/narrower
ChicagoSmart Define. 2013. "photochemistry thesaurus" https://smartdefine.org/photochemistry/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2013, photochemistry thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/photochemistry/thesaurus/narrower>.
MLASmart Define. "photochemistry thesaurus" 18 May 2013. Web. 30 September 2026. <https://smartdefine.org/photochemistry/thesaurus/narrower>