Origin and Etymology of pharmacognosy
International Scientific Vocabulary, from Greek pharmakon + -gnōsia knowledge, from gnōsis — more at gnosis
First Known Use: circa 1885
Medical Definition of pharmacognosy
: a branch of pharmacology dealing especially with the composition, use, and development of medicinal substances of biological origin and especially medicinal substances obtained from plants
Seen and Heard
What made you want to look up pharmacognosy? Please tell us where you read or heard it (including the quote, if possible).