ra | ||
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 | |
Synonyms: | celestial_longitude right_ascension | |
Examples: | "one hour of right ascension equals fifteen degrees" |
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Related terms: | angular_distance astronomy | |
2. | [ noun ] (chemistry) an intensely radioactive metallic element that occurs in minute amounts in uranium ores | |
Synonyms: | atomic_number_88 radium | |
Related terms: | metallic_element uranium_ore | |
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 | |
Similar spelling: |
ray raw Rau Rao Rae Rayo Raye Raya Rawe Rauh raiu Raia Rahu Rahe r |