Dictionary

X–ray star

noun

Definition of X-RAY STAR

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

First Known Use of X-RAY STAR

1964

Browse

Next Word in the Dictionary: X–ray therapyPrevious Word in the Dictionary: X–ray spectrumAll Words Near: X-ray star
April 28, 2015
portmanteau Hear it
a word formed by the blending of words
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears