Definitions

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

  • n. A positive ion or univalent radical containing trivalent sulfur, such as H3S.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the univalent H3S+ cation, derived from sulfane

Etymologies

sulf(o)- + (amm)onium.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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