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Ra

[ rah ]
/ rɑ /
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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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Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…
Also Re [rey] /reɪ/ .

Other definitions for Ra (2 of 5)

Ra

Symbol, Chemistry.
radium.

Other definitions for Ra (3 of 5)

RA

regular army.

Other definitions for Ra (4 of 5)

[ rah ]
/ rɑ /

noun
the 10th letter of the Arabic alphabet.

Origin of

From Arabic

Other definitions for Ra (5 of 5)

R.A.

abbreviation
rear admiral.
Astronomy. right ascension.
royal academician.
Royal Academy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Ra in a sentence

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

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.
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