| 单词 | wolf-rayet star |
| 释义 | Wolf-Rayet star in British English (ˈwʊlfˈreɪət) noun any of a small class of very hot intensely luminous stars surrounded by a rapidly expanding envelope of gas Word origin C19: named after Charles Wolf (1827–1918) and Georges Rayet (1839–1906), French astronomersWolf-Rayet star in American English (ˈwulfraiˈei, French vɔlfʀaˈje) noun 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 Word origin [1885–90; after French astronomers Charles J. E. Wolf (1827–1918) and Georges Rayet (1839–1906)]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: reactor, retread, roller coaster, twofer, upsweep |
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