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Meaning of Wolf-Rayet star

Wolf'-Ra•yet' star"

Pronunciation: (woolf'rī-ā' Fr. vôlf-ra-ye'), [key]
  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. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.