Definition of Ra in English :

Define Ra in English

Ra meaning in English

Meaning of Ra in English

Pronunciation of Ra in English

Ra pronunciation in English

Pronounce Ra in English

Ra

see synonyms of ra

Noun

1. atomic number 88, ra, radium

an intensely radioactive metallic element that occurs in minute amounts in uranium ores

2. ra, re

ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods

3. celestial longitude, ra, right ascension

(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere

Example Sentences:
'one hour of right ascension equals fifteen degrees'

WordNet Lexical Database for English. Princeton University. 2010.


Ra

see synonyms of ra
the chemical symbol for
radium
noun
the ancient Egyptian sun god, depicted as a man with a hawk's head surmounted by a solar disc and serpent
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)

Collins English Dictionary. Copyright © HarperCollins Publishers


Ra

see synonyms of ra
1. 
Rear Admiral
2.  Astronomy
right ascension
3. 
Royal Academician
4. 
Royal Academy
noun
Egyptian Mythology
the sun god and principal deity: usually depicted as having the head of a hawk and wearing the solar disk as a crown
radium

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Ra

see synonyms of ra
n.
Mythology
The ancient Egyptian sun god, the supreme deity represented as a man with the head of a falcon crowned with a solar disk and uraeus.
The symbol for radium.
abbr.
1. regular army
2. residence assistant
3. right ascension

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.