Definition of quasar in English:

Share this entry

quasar

Pronunciation: /ˈkwāˌzär/

noun

Astronomy
A massive and extremely remote celestial object, emitting exceptionally large amounts of energy, and typically having a starlike image in a telescope. It has been suggested that quasars contain massive black holes and may represent a stage in the evolution of some galaxies.
Example sentences
  • Astronomers believe that quasars are galaxies with very massive black holes in the center.
  • Rich in objects, from galaxies to quasars to white dwarf stars, this vast data archive will serve as a resource for the entire astronomical community.
  • Radio astronomers found pulsars, quasars, and massive molecular clouds dotting the celestial landscape.

Origin

1960s: contraction of quasistellar.

Words that rhyme with quasar

César

For editors and proofreaders

Syllabification: qua·sar

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.