a star, usually a binary star, that is a strong emitter of x-rays, as Cygnus X-1.
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Question 1 of 7
What does “blatherskite” mean?
Origin of x-ray star
First recorded in 1960–65
Words nearby x-ray star
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020