The Collaborative International Dictionary
Physicochemical
Physicochemical \Phys`i*co*chem"ic*al\, a. [Physico- +
chemical.]
Involving the principles of both physics and chemistry;
dependent on, or produced by, the joint action of physical
and chemical agencies.
--Huxley.
Wiktionary
physicochemical
a. 1 Dependent on the joint action of both physical and chemical processes. 2 Of or pertaining to physical chemistry.
WordNet
physicochemical
adj. relating to physical chemistry