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uracil

 - 4 dictionary results

u⋅ra⋅cil

[yoor-uh-sil]
–noun
Biochemistry. a pyrimidine base, C4H4N2O2, that is one of the fundamental components of RNA, in which it forms base pairs with adenine. Symbol: U

Origin:
1905–10; ur- 1 + ac(etic) + -il, of uncert. orig.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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u·ra·cil   (yŏŏr'ə-sĭl)   
n.   Abbr. U
A pyrimidine base, C4H4N2O2, that is an essential constituent of RNA.

[ur(ea) + ac(etic) + -il, substance relating to.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ura·cil
Pronunciation: 'yur-&-"sil, -s&l
Function: noun
: a pyrimidine base C4H4N2O2that is one of the four bases coding genetic information in the polynucleotide chain of RNA —compare ADENINE, CYTOSINE, GUANINE, THYMINE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

uracil u·ra·cil (y&oobreve;r'ə-sĭl)
n.
A pyrimidine base that is an essential constituent of RNA.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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