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quasi-stellar object

[ kwey-zahy-stel-er, kwey-sahy-, kwah-see-, -zee- ]

noun

  1. quasar. : QSO


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 shifts QSO
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of quasi-stellar object1

First recorded in 1960–65
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Example Sentences

Scientists designated the objects "quasars," as a portmanteau of a "quasi-stellar" object.

These objects are called quasars — short for quasi-stellar object — and sometimes they shine so bright that they can obscure nearby galaxies.

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quasi-quotationquasi-stellar radio source