wr star

W-R star

noun Astronomy.
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Wolf-Rayet star

[woolf-rahy-ey; French vawlf-ra-ye]
a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
Also called W-R star.

1885–90; after French astronomers Charles J. E. Wolf (1827–1918) and Georges Rayet (1839–1906)

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World English Dictionary
Wolf-Rayet star (ˈwʊlfˈreɪət)
any of a small class of very hot intensely luminous stars surrounded by a rapidly expanding envelope of gas
[C19: named after Charles Wolf (1827--1918) and Georges Rayet (1839--1906), French astronomers]

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