/suy'koh ak"tiv/ , adj.
of or pertaining to a substance having a profound or significant effect on mental processes: a psychoactive drug.
[ 1960-65; PSYCHO- + ACTIVE ]
/suy'koh ak"tiv/ , adj.
of or pertaining to a substance having a profound or significant effect on mental processes: a psychoactive drug.
[ 1960-65; PSYCHO- + ACTIVE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012