• synonyms


[uh-mee-noh-fil-ahyn, -een, am-uh-noh-]
noun Pharmacology.
  1. a theophylline derivative, C16H24N10O4, used chiefly to relieve bronchial spasm in asthma, in the treatment of certain heart conditions, and as a diuretic.
Show More

Origin of aminophylline

First recorded in 1955–60; amino- + (theo)phylline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for aminophylline


  1. a derivative of theophylline that relaxes smooth muscle and is used mainly to dilate the airways in the treatment of asthma and emphysema
Show More

Word Origin for aminophylline

C20: from amino- + phyllo- + -ine ²
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

aminophylline in Science


  1. A theophylline derivative used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis. Chemical formula: C16H24N10O4.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.