单词 | quinine |
释义 | quinine[ kwahy-nahyn, kwin-ahyn or, especially British, kwi-neen ] / ˈkwaɪ naɪn, ˈkwɪn aɪn or, especially British, kwɪˈnin / SEE SYNONYMS FOR quinine ON THESAURUS.COM noun Chemistry, Pharmacology.a white, bitter, slightly water-soluble alkaloid, C20H24N2O2, having needlelike crystals, obtained from cinchona bark: used in medicine chiefly in the treatment of resistant forms of malaria. a salt of this alkaloid, especially the sulfate. Origin of quinine1820–30; <Spanish quin(a) (<Quechua kina bark) + -ine2 Words nearby quinineQui Nhong, quinhydrone, quinic acid, quinidine, quiniela, quinine, quinine water, Quinn, quinnat salmon, quino-, quinoa Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for quinineBritish Dictionary definitions for quininequinine / (kwɪˈniːn, US ˈkwaɪnaɪn) / nouna bitter crystalline alkaloid extracted from cinchona bark, the salts of which are used as a tonic, antipyretic, analgesic, etc, and in malaria therapy. Formula: C 20 H 24 N 2 O 2 Word Origin for quinineC19: from Spanish quina cinchona bark, from Quechua kina bark Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for quininequinine [ kwī′nīn′ ] n.A bitter colorless amorphous powder or crystalline alkaloid derived from certain cinchona barks and used to treat malaria. Any of various compounds or salts of quinine. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for quininequinine [ kwī′nīn′ ] A bitter-tasting, colorless drug derived from the bark of certain cinchona trees and used medicinally to treat malaria. For hundreds of years quinine was the only drug known to effectively combat malarial infection. It has since been largely replaced by synthetic compounds that not only relieve the symptoms of malaria but also rid the body of the malarial parasite, which quinine does not do. See Note at aspirin. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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