Ra
[ rah ]
/ rɑ /
noun Egyptian Religion.
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).
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Also Re [rey] /reɪ/ .
Definition for Ra (2 of 5)
Ra
Symbol, Chemistry.
radium.
Definition for Ra (3 of 5)
RA
regular army.
Definition for Ra (4 of 5)
rā
[ rah ]
/ rɑ /
noun
the 10th letter of the Arabic alphabet.
Origin of rā
From Arabic
Definition for Ra (5 of 5)
R.A.
rear admiral.
Astronomy. right ascension.
royal academician.
Royal Academy.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for Ra (1 of 3)
Ra1
the chemical symbol for
radium
British Dictionary definitions for Ra (2 of 3)
Ra2
Re
/ (rɑː) /
noun
the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent
British Dictionary definitions for Ra (3 of 3)
RA
abbreviation for
rear admiral
astronomy right ascension
(in Britain) Royal Academician or Academy
(in Britain) Royal Artillery
Argentina (international car registration)
Word Origin for RA
(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
Medical definitions for Ra (1 of 2)
Ra
The symbol for the elementradium
Medical definitions for Ra (2 of 2)
RA
abbr.
rheumatoid arthritis
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for Ra
Ra
The symbol for radium.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.