from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A nonaddictive opium derivative, C20H21NO4, used medicinally to relieve spasms of smooth muscle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A non-addictive derivative of opium used in medicine to relieve muscle spasms, as a vasodilator and in some forms of erectile dysfunction.
from the GNU version of the Collaborative International Dictionary of English
- n. An alkaloid found in opium. It has a weaker therapeutic action than morphine.
from The Century Dictionary and Cyclopedia
- n. An alkaloid (C21 H21NO4) contained in opium.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive
Latin papāver, poppy + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)