Definitions for: Ra
[n] ancient hawk-headed Egyptian sun god; a universal creator
[n] (astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the celestial sphere; "one hour of right ascension equals fifteen degrees"
[n] an intensely radioactive metallic element that occurs in minute amounts in uranium ores
Webster (1913) Definition: Ra, n.
A roe; a deer. [Obs.] --Chaucer.
A prefix, from the Latin re and ad combined, coming to us
through the French and Italian. See Re- and Ad-.
Synonyms: atomic number 88, celestial longitude, radium, Re, right ascension
See Also: angular distance, Egyptian deity, metal, metallic element, uranium ore
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