from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The branch of pharmacology that deals with drugs in their crude or natural state and with medicinal herbs or other plants.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The branch of pharmacology that studies medical substances that are extracted from natural sources, including drugs derived from plants and herbs used for medicinal purposes.
- n. The branch of pharmacology dealing with recognizing the natural substances that have medicinal uses.
from the GNU version of the Collaborative International Dictionary of English
- n. Pharmacognosis.
- n. The study of the distribution of, methods for finding, and properties of medically useful agents in natural sources, especially plants.
from The Century Dictionary and Cyclopedia
- n. Same as pharmacognostics.
pharmaco- + Greek gnōsis, knowledge; see gnosis.(American Heritage® Dictionary of the English Language, Fourth Edition)