ALL meanings of arecibo observatory
A·re·ci·bo ob·serv·a·to·ry
A a - noun arecibo observatory an observatory in Puerto Rico at which the world's largest dish radio telescope (diameter 305 m) is situated. It is operated by the National Astronomy and Ionosphere Center 3
- noun arecibo observatory a radio-astronomy and ionospheric observatory near Arecibo, Puerto Rico: site of one of the world's largest single-dish radio telescopes, 1000 feet (305 meters) in diameter. 1