Meaning of QUASAR in English

ˈkwāˌzär also -ˌsär noun

( -s )

Etymology: quas i-stell ar radio source (herein)

: any of a class of celestial objects that resemble stars but whose large red shift and apparent brightness imply extreme distance and huge energy output

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.