See Also: Wolf-Rayet star(dictionary)
underclay(medicine)
wolf(2)(dictionary)
wolf(medicine)
wolf(1)(dictionary)
wolf(encyclopedia)
sea wolf(medicine)
Wolf, A(medicine)
wolf 1, noun(dictionary)
wolf (as used in expressions)(encyclopedia)

Wolf-Rayet star (iou) and underclay (medicine)


Wolf-Rayet star (iou)



Wolf-Rayet star noun phr. L19.
[from C. J. E. Wolf (1827-1918) + G. A. P. Rayet (1839-1906), French astronomers.]
Astronomy. Any of a class of hot white to blue stars characterized by bright broad spectral lines due to hydrogen, helium, carbon, or nitrogen, believed to be short-lived and unstable.

underclay (medicine)


underclay
<geology> A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.

Source: Websters Dictionary