電でん波ぱ天てん体たいでんぱてんたいMeanings1nounradio starastronomyAstronomical term for a celestial object that emits strong radio waves. Often used interchangeably with 電波星 (でんぱせい).See also: 電波星 (でんぱせい)電でん波ぱ天てん体たいの観かん測そくには電でん波ぱ望ぼう遠えん鏡きょうが使つかわれる。Radio telescopes are used to observe radio stars.