ra has definitions from the fields of religion,antiquity,astronomy,geometry,chemistry
1
[ noun ] (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 minutes and second

Examples

"one hour of right ascension equals fifteen degrees"

Related terms

angular_distance astronomy

2
[ noun ] (chemistry) an intensely radioactive metallic element that occurs in minute amounts in uranium ores
3
[ noun ] Last name, frequency rank in the U.S. is 28459
4
[ noun ] (religion,antiquity) ancient hawk-headed Egyptian sun god; a universal creator

Synonyms

Re

Related terms

Egyptian_deity

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