| URA | a uranium isotope with mass number 235 |
|---|---|
| URA | the commonest isotope of uranium |
| URA | any ore from which uranium can be extracted |
| URA | a physicist who studies astronomy |
| URA | the branch of physics that studies celestial bodies and the universe as a whole |
| URA | surgical correction of a defect of the palate |
| URA | stargazers |
| URA | a giant planet with a ring of ice particles |
| URA | (Greek mythology) god of the heavens |
| URA | the bivalent radical UO2 which forms salts with acids |
| URA | the bivalent radical UO2 which forms salts with acids |
| URA | a yellow salt obtained by the reaction of uranium salts with nitric acid |