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Meaning of sulfur

sul•fur

Pronunciation: (sul'fur), [key]
— n.
  1. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used esp. in making gunpowder and matches, in medicine, in vulcanizing rubber, etc. Symbol: S; at. wt.: 32.064; at. no.: 16; sp. gr.: 2.07 at 20° C.
  2. sulphur (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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