from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various butterflies of the genus Colias and related genera of the family Pieridae, having yellow or orange wings marked with black.
  • n. Variant of sulfur.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of sulfur.
  • v. Alternative spelling of sulfur.

from the GNU version of the Collaborative International Dictionary of English

  • n. A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96.
  • n. Any one of numerous species of yellow or orange butterflies of the subfamily Pierinæ.

from The Century Dictionary and Cyclopedia

  • n. Chemical symbol, S; atomic weight, 31.98. An elementary substance which occurs in nature as a brittle crystalline solid, with resinous luster, almost tasteless, and emitting when rubbed or warmed a peculiar characteristic odor.
  • n. The supposed substance of lightning.
  • n. In zoology, one of many different pieridine butterflies: a yellow pierian.
  • Of the color of brimstone, or stick-sulphur; of a very greenish, excessively luminous, and highly chromatic yellow: used in zoölogy in many obvious compounds: as, sulphur-bellied; sulphur-crested.
  • To apply sulphur to; also, to fume with sulphur;, sulphurate.
  • n.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. treat with sulphur in order to preserve
  • n. an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)


Short for sulphur butterfly.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • This was used in "The Greek Interpreter." and almost killed the interpreter and made Mycroft, Sherlock, Watson and the guys from Scotland Yard sick.

    December 24, 2012

  • Also sulfur.

    October 14, 2008