aminophylline

[uh-mee-noh-fil-ahyn, -een, am-uh-noh-]

a·mi·no·phyl·line

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

Origin:
1955–60; amino- + (theo)phylline
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aminophylline has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
Collins
World English Dictionary
aminophylline (æmɪˈnɒfɪliːn)
 
n
a derivative of theophylline that relaxes smooth muscle and is used mainly to dilate the airways in the treatment of asthma and emphysema
 
[C20: from amino- + phyllo- + -ine²]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
aminophylline   (ām'ə-nŏf'ə-lĭn)  Pronunciation Key 
A theophylline derivative used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis. Chemical formula: C16H24N10O4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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