ras
Dictionary.com Unabridged
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).
Also, Re.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To ras
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Ras
is always a great word to know.
So is gobo. Does it mean:
| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Collins
World English Dictionary
| Ra1 | |
| —the chemical symbol for | |
| radium | |
Ra or Re2 (rɑː) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent | |
| Re or Re2 | |
| —n | |
| 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) |
| [(sense 5) from República Argentina] | |
| RAS | |
| —abbreviation for | |
| 1. | Royal Agricultural Society |
| 2. | Royal Astronomical Society |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary
Ra
The symbol for the element radium.
RAS abbr.
reticular activating system
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
| Ra
The symbol for radium. |
radium  (rā'dē-əm) Pronunciation Key
Symbol Ra 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary
RAS definition
1.
2.
3.
(2000-08-13)
American Heritage
Abbreviations & Acronyms
| Ra radium |
RA
|
| ras Referred with Amendments Senate |
RAS
|
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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