n.
Pronunciation: ˌ fär-m ə - ' käg-n ə -s ē
Function: noun
Etymology: International Scientific Vocabulary, from Greek pharmakon + -gn ō sia knowledge, from gn ō sis ― more at GNOSIS
Date: circa 1885
: a branch of pharmacology dealing with medicinal substances of biological origin and especially medicinal substances obtained from plants
– phar · ma · cog · nos · tic \ - ˌ käg- ' näs-tik \ or phar · ma · cog · nos · ti · cal \ -ti-k ə l \ adjective