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1. (n.) Ra
a sun god of Heliopolis, worshipped throughout ancient Egypt and typically represented as a hawk-headed man crowned with a solar disk and uraeus.
2. RA
regular army.
3. Ra
radium.
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| Definition of 'RA' |
Princeton's WordNet |
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1. (noun) radium, Ra, atomic number 88
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
2. (noun) 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. (noun) right ascension, RA, celestial longitude
(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
"one hour of right ascension equals fifteen degrees"
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| Definition of 'RA' |
Webster Dictionary |
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1. (noun) RA
a roe; a deer
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Definitions of RA 
