ALL meanings of x-ray star
x-ray star
X x - noun x-ray star a star, usually a binary star, that is a strong emitter of x-rays, as Cygnus X-1. 1
- noun x-ray star a star that emits most of its radiation in the form of x-rays 0
- noun x-ray star a star or starlike celestial object, esp. a nova or pulsar, that is a source of X-rays 0