purine
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in, -ɪn noun Chemistry, Biochemistry.
1.
a white, crystalline compound, C 5 H 4 N 4 , from which is derived a group of compounds including uric acid, xanthine, and caffeine.
2.
one of several purine derivatives, especially the bases adenine and guanine, which are fundamental constituents of nucleic acids.
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 purine
Collins
World English Dictionary
purine or purin (ˈpjʊəriːn, ˈpjʊərɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | a colourless crystalline solid that can be prepared from uric acid. Formula: C5H4N4 |
| 2. | Also called: purine base any of a number of nitrogenous bases, such as guanine and adenine, that are derivatives of purine and constituents of nucleic acids and certain coenzymes |
| [C19: from German Purin; see | |
| purin or purin | |
| —n | |
| [C19: from German Purin; see | |
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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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Purine
is always a great word to know.
So is interrobang. Does it mean:
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
American Heritage
Medical Dictionary
purine pu·rine (py&oobreve;r'ēn')
n.
A colorless crystalline organic base that is the parent compound of various biologically important derivatives.
Any of a group of organic compounds that are derived from or are structurally related to purine, including uric acid, caffeine, adenine, and guanine.
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
purine (py r'ēn') Pronunciation Key
Any of a group of organic compounds containing two fused rings of carbon and nitrogen atoms. One ring has six members, the other has five, and each has two nitrogens. Purines include a number of biologically important compounds, such as adenosine, caffeine, uric acid, and the two bases adenine and guanine, which are components of DNA and RNA. |
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
Soybeans also contain moderate amounts of a natural substance called purine.
Purine-containing foods include dried beans, peas, and liver.
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