quasi-stellar radio-source

== English == === Alternative forms === quasi-stellar radiosource quasi-stellar radio source === Etymology === From quasi- +‎ stellar +‎ radio +‎ source, from its appearance as a point-like object similar to a star, which is also a source of radio-energy, but with a spectrum unlike that found in a star. === Noun === quasi-stellar radio-source (plural quasi-stellar radio-sources) (astronomy) A quasar. (dated) A radioloud quasar. ==== Derived terms ==== QSR (abbreviation) quasar (acronym)