Meaning

2 senses
  1. A quasar.

  2. (dated)A radioloud quasar.

Origin

From quasi- + stellar + radio + source, from its appearance as a point-like object similar

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.

Wiktionary, CC BY-SA 4.0 · source

quasi-stellar radio-source — meaning, examples, forms, synonyms | Krumeto