Sulphonium
Sulphonium Sul*pho"ni*um, n. [Sulphur + ammonium.] (Chem.) A hypothetical radical, {SH3}, regarded as the type and nucleus of the sulphines. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • sulphonium — /sʌlˈfoʊniəm/ (say sul fohneeuhm) noun a molecule containing a trivalent, positively charged sulphur atom, as (H3S)+. Also, sulfonium …   Australian English dictionary

  • sulphonium — …   Useful english dictionary

  • SH3 — Sulphonium Sul*pho ni*um, n. [Sulphur + ammonium.] (Chem.) A hypothetical radical, {SH3}, regarded as the type and nucleus of the sulphines. [1913 Webster] …   The Collaborative International Dictionary of English

  • Selenonium — Sel e*no ni*um, n. [Selenium + sulphonium.] (Chem.) A hypothetical radical of selenium, analogous to sulphonium. [R.] [1913 Webster] …   The Collaborative International Dictionary of English

  • CH33SOH — Sulphine Sul phine, n. (Chem.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, {trimethyl… …   The Collaborative International Dictionary of English

  • Sulphine — Sul phine, n. (Chem.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, {trimethyl sulphine},… …   The Collaborative International Dictionary of English

  • trimethyl sulphine — Sulphine Sul phine, n. (Chem.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, {trimethyl… …   The Collaborative International Dictionary of English

  • Ulcerative colitis — Classification and external resources Endoscopic image of a bowel section known as the sigmoid colon afflicted with ulcerative colitis. The internal surface of the colon is blotchy and broken in places …   Wikipedia

  • Imine — An imine is a functional group or chemical compound containing a carbon–nitrogen double bond [March Jerry; (1985). Advanced Organic Chemistry reactions, mechanisms and structure (3rd ed.). New York: John Wiley Sons, inc. ISBN 0 471 85472 7] . Due …   Wikipedia

  • Sulfonium — A sulfonium ion, also known as sulphonium ion and sulfanium ion, is a positively charged sulfur ion carrying three alkyl groups as substituents (S+R3). Ionic compounds consisting of a positively charged sulfonium cation and a negatively charged… …   Wikipedia

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