Mercaptan

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This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A sulfur-containing organic compound with the general formula RSH where R is any radical, especially ethyl mercaptan, C2H5SH. Also called thiol.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Any of a class of organic compounds of sulphur, ( R1.S.R2 ); they tend to be foul-smelling. When R2 is a hydrogen atom, they are termed thiols or thioalcohols.
  • the GNU version of the Collaborative International Dictionary of English
  • n. Any one of series of compounds having an -SH radical attached to a carbon atom, also considered as hydrosulphides of alcohol radicals, in composition resembling the alcohols, but containing sulphur in place of oxygen, and hence called also the sulphur alcohols. In general, they are colorless liquids having a strong, repulsive, garlic odor. The name is specifically applied to ethyl mercaptan, C2H5SH. So called from its avidity for mercury, and other metals.
  • The Century Dictionary and Cyclopedia
  • n. One of a class of compounds analogous to alcohols, in which the group SH takes the place of hydroxyl.
  • Word Usage
    ""In case you weren't aware, methyl mercaptan is commonly used as an odorant in natural gas, the better to detect leaks at very low concentrations.""
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