Meanings
nounX-ray binary (plural X-ray binaries)
plural X-ray binaries
- astronomyA binary star system in which one star of the pair is an optically invisible X-ray source.
Cite this entry
APA
X-ray binary. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/X-ray%20binary
MLA
“X-ray binary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/X-ray%20binary. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “X-ray binary,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/X-ray%20binary.
Source: X-ray binary on Wiktionary, CC BY-SA 4.0.