- the 10th letter of the Arabic alphabet.
Origin of rā
- 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).
- regular army.
- rear admiral.
- Astronomy. right ascension.
- royal academician.
- Royal Academy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ra
Her choice for Desert Island Discs ranged from “The Drinking Song” by Verdi to “Ra Ra Rasputin” by Boney M.The Week in Death: Clarissa Dickson Wright, One of ‘Two Fat Ladies’
March 22, 2014
At opening of the RA exhibition, some of his key recruits—from Gormley to novelist Ian McEwan—were gathered.The Hottest Show on Earth
December 10, 2009
He also is, like Ra and Osiris, a god of the under-world to which men go after death.History of Religion
Thus it was that other deities assumed a solar character as forms of Ra.Legends Of Babylon And Egypt
Leonard W. King
O Ra, Ra, to think that it was you all the while who were committing all these thefts!St. Winifred's
Frederic W. Farrar
Remember the leap to death and the Boat of Ra, and those by whom it was captained.Morning Star
H. Rider Haggard
The primacy of Ra is illustrated by the fact that Amon was identified with him.Introduction to the History of Religions
Crawford Howell Toy
- the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent
- rear admiral
- astronomy right ascension
- (in Britain) Royal Academician or Academy
- (in Britain) Royal Artillery
- Argentina (international car registration)
(sense 5) from República Argentina
Word Origin and History for ra
"hawk-headed sovereign sun god of Egyptian mythology," from Egyptian R' "sun, day."
Online Etymology Dictionary, © 2010 Douglas Harper
- The symbol for the elementradium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The symbol for radium.
- A rare, bright-white, highly radioactive element of the alkaline-earth group. It occurs naturally in very small amounts in ores and minerals containing uranium, and it is naturally luminescent. Radium is used as a source of radon gas for the treatment of disease and as a neutron source for scientific research. Its most stable isotope is Ra 226 with a half-life of 1,622 years. Atomic number 88; melting point 700°C; boiling point 1,737°C; valence 2. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.