Dictionary.com
definitions
  • synonyms

[rah]
noun
  1. the 10th letter of the Arabic alphabet.
Show More

Origin of

From Arabic

Ra

[rah]
noun Egyptian Religion.
  1. a sun god of Heliopolis, a universal creator worshiped throughout Egypt (typically represented as a hawk-headed man bearing on his head the solar disk and the uraeus).
Show More
Also Re.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ras

Contemporary Examples of ras

Historical Examples of ras


British Dictionary definitions for ras

RAS

abbreviation for
  1. Royal Agricultural Society
  2. Royal Astronomical Society
Show More

RA

abbreviation for
  1. rear admiral
  2. astronomy right ascension
  3. (in Britain) Royal Academician or Academy
  4. (in Britain) Royal Artillery
  5. Argentina (international car registration)
Show More

Word Origin for RA

(sense 5) from República Argentina

Ra

1
the chemical symbol for
  1. radium
Show More

Ra

2

Re

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

Word Origin and History for ras

Ethiopian title, from Amharic ras "chief, head," from Arabic ra's.

Show More

Ra

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

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

ras in Medicine

RAS

abbr.
  1. reticular activating system
Show More

Ra

  1. The symbol for the elementradium
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ras in Science

Ra

  1. The symbol for radium.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.