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sulphur

[suhl-fer]
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noun
  1. Chiefly British. sulfur(def 1).
  2. Also sulfur. yellow with a greenish tinge; lemon color.

Origin of sulphur

variant of sulfur

Sulphur

[suhl-fer]
noun
  1. a city in SW Louisiana.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for sulphur

sulphur

US sulfur

noun
    1. an allotropic nonmetallic element, occurring free in volcanic regions and in combined state in gypsum, pyrite, and galena. The stable yellow rhombic form converts on heating to monoclinic needles. It is used in the production of sulphuric acid, in the vulcanization of rubber, and in fungicides. Symbol: S; atomic no: 16; atomic wt: 32.066; valency: 2, 4, or 6; relative density: 2.07 (rhombic), 1.957 (monoclinic); melting pt: 115.22°C (rhombic), 119.0°C (monoclinic); boiling pt: 444.674°CRelated adjective: thionic
    2. (as modifier)sulphur springs
Derived Formssulphuric or US sulfuric (sʌlˈfjʊərɪk), adjective

Word Origin

C14 soufre, from Old French, from Latin sulfur
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sulphur

n.

see sulfur. The form prefered in Britain; the spelling's suggestion of a Greek origin is misleading.

Online Etymology Dictionary, © 2010 Douglas Harper

sulphur in Science

sulfur

S
  1. A pale-yellow, brittle nonmetallic element that occurs widely in nature, especially in volcanic deposits, minerals, natural gas, and petroleum. It is used to make gunpowder and fertilizer, to vulcanize rubber, and to produce sulfuric acid. Atomic number 16; atomic weight 32.066; melting point (rhombic) 112.8°C; (monoclinic) 119.0°C; boiling point 444.6°C; specific gravity (rhombic) 2.07; (monoclinic) 1.957; valence 2, 4, 6. See Periodic Table.
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