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pharmacognosy
CIDE DICTIONARY
pharmacognosy, n.
- Pharmacognosis. [1913 Webster]
- The study of the distribution of, methods for finding, and properties of medically useful agents in natural sources, especially plants. [PJC]
OXFORD DICTIONARY
pharmacognosy, n. the science of drugs, esp. relating to medicinal products in their natural or unprepared state.
Etymology
Gk pharmakon drug + gnosis knowledge
For further exploring for "pharmacognosy" in Webster Dictionary Online