quasi-stellar object

quasi-stellar object [kwey-zahy-stel-er, kwey-sahy-, kwah-see-, -zee-] Word Origin noun

1. quasar. Abbreviation: QSO

Origin of quasi-stellar object First recorded in 1960–65 British Dictionary definitions for quasi-stellar object quasi-stellar object noun

1. a member of any of several classes of astronomical bodies, including quasars (strong radio sources) and quasi-stellar galaxies (no traceable radio emission), both of which have exceptionally large red shiftsAbbreviation: QSO