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[rah] /rɑ/
noun
1.
the 10th letter of the Arabic alphabet.
Origin
< Arabic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for rās

Ra1

Chemical symbol
1.
radium

Ra2

/rɑː/
noun
1.
the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent

RA

abbreviation
1.
rear admiral
2.
(astronomy) right ascension
3.
(in Britain) Royal Academician or Academy
4.
(in Britain) Royal Artillery
5.
Argentina (international car registration)
Word Origin
(sense 5) from República Argentina
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
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Word Origin and History for rās

Ra

"hawk-headed sovereign sun god of Egyptian mythology," from Egyptian R' "sun, day."

Online Etymology Dictionary, © 2010 Douglas Harper
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rās in Medicine

Ra
The symbol for the element radium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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rās in Science
Ra  
The symbol for radium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for rās

RA

noun

Anger; the RED ASS (1942+)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for rās

Ra

radium

RA

  1. Argentina (international vehicle ID)
  2. rear admiral
  3. reasonable alternative
  4. regular army
  5. remedial action
  6. research assistant
  7. research associate
  8. resident advisor
  9. resident assistant
  10. rheumatoid arthritis
  11. right ascension
  12. right atrium
  13. risk analysis
  14. route analysis
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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