• synonyms


[suhl-fahyd, -fid]
noun Chemistry.
  1. a compound of sulfur with a more electropositive element or, less often, a group.
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Origin of sulfide

1830–40; sulf(ur) + -ide
Related formssub·sul·fide, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

sulfide in Medicine


  1. A compound of bivalent sulfur with an electropositive element or group, especially a binary compound of sulfur with a metal.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sulfide in Science


  1. A chemical compound of sulfur and another element or radical, such as hydrogen sulfide.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.