W-R star
noun, Astronomy.
1.
Wolf-Rayet star.
Wolf-Rayet star
[woo lf-rahy-ey; French vawlf-ra-ye] /ˈwʊlf raɪˈeɪ; French vɔlf raˈyɛ/
noun
1.
a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
Wolf-Rayet star
/ˈwʊlfˈreɪət/
noun
1.
any of a small class of very hot intensely luminous stars surrounded by a rapidly expanding envelope of gas
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