Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

X–ray star

noun

Definition of X–ray star

  1. :  a luminous celestial object emitting a major portion of its radiation in the form of X-rays —called also X-ray source




Seen and Heard

What made you want to look up X–ray star? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by grandiloquent style

Get Word of the Day daily email!