As an adjective photochemical is
(chemistry) of, relating to, or produced by photochemistry or by photochemical reactions.
photonutrient
Not English
Photonutrient has no English definition. It may be misspelled.
photochemical
English
Adjective
(-)
(chemistry) of, relating to, or produced by photochemistry or by photochemical reactions
Derived terms
* photochemical logic gate
* photochemical oxidant
* photochemical reaction
* photochemical reduction
* photochemical smog