psychopharmacology noun. [,sʌɪkǝʊfɑ:mǝ'kɒlǝdʒi] E20.
[from PSYCHO- + PHARMACOLOGY.]
The branch of science that deals with the effects of drugs on the mind and behaviour.

■ psychopharmaco'logic adjective (chiefly US) = psychopharmacological M20.

■ psychopharmaco'logical adjective of or pertaining to psychopharmacology; (of a drug) psychotropic: M20.

■ psychopharmaco'logically adverb L20.

■ psychopharmacologist noun an expert in or student of psychopharmacology M20.

[TahlilGaran] English Dictionary ▲