xanthine
Use Xanthine in a sentence
θin, -θɪn noun Biochemistry, Chemistry.
1.
a crystalline, nitrogenous compound, C 5 H 4 N 4 O 2 , related to uric acid, occurring in urine, blood, and certain animal and vegetable tissues.
2.
any derivative of this compound.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To xanthine
Collins
World English Dictionary
xanthine (ˈzænθiːn, -θaɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | a crystalline compound related in structure to uric acid and found in urine, blood, certain plants, and certain animal tissues. Formula: C5H4N4O2 |
| 2. | any substituted derivative of xanthine, esp one of the three pharmacologically active methylated xanthines, caffeine, theophylline, or theobromine, which act as stimulants and diuretics |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Xanthine
is always a great word to know.
So is lollapalooza. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
American Heritage
Medical Dictionary
xanthine xan·thine (zān'thēn', -thĭn)
n.
A yellowish-white crystalline purine base that is a precursor of uric acid and is found in blood, urine, and muscle tissue.
Any of several derivatives of this compound.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
xanthine  (zān'thēn', -thĭn) Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Allopurinol is a xanthine oxidase inhibitor that blocks uric acid production.
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