| astr | the branch of astronomy that deals with the measurement of the position and motion of celestial bodies |
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| astr | a person trained to travel in a spacecraft |
| astr | of or belonging to astronauts or the science of astronautics |
| astr | of or belonging to astronauts or the science of astronautics |
| astr | the theory and practice of navigation through air or space |
| astr | navigating according to the positions of the stars |
| astr | a genus of dicotyledonous plants of the family Anacardiaceae |
| astr | tall tropical American timber tree especially abundant in eastern Brazil |
| astr | a physicist who studies astronomy |
| astr | inconceivably large |
| astr | relating or belonging to the science of astronomy |
| astr | inconceivably large |