
1) Certain compound 2) Chemical compound 3) Compound 4) Sulphide
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https://www.crosswordclues.com/clue/sulfide

1) Pyrites 2) Sulphide
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https://www.crosswordclues.com/clue/sulfide

Sulfide(2-) (additive) | Section1 = {Chembox Identifiers | CASNo = 18496-25-8 | CASNo_Ref = {{cascite|correct|CAS} | PubChem = 29109 | PubChem_Ref = {Pubchemcite|correct|pubchem} | ChemSpiderID = 27079 | ChemSpiderID_Ref = {chemspidercite|correct|chemspider} | ChEBI = 15138 | SMILES = [S--] | StdInChI = 1S/S/q-2 | StdInChI_Ref = {stdinchicite|corr...
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http://en.wikipedia.org/wiki/Sulfide

any of three classes of chemical compounds containing the element sulfur. Inorganic sulfides are ionic compounds containing the negatively charged ... [4 related articles]
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http://www.britannica.com/eb/a-z/s/182

A compound formed when sulfur reacts directly with another, more electropositive element. Metals form ionic sulfides containing the S
-2 ion; these are salts of hydrogen sulfide. Compounds of sulfur with nonmetals, e.g. hydrogen sulfide, are covalent compounds. Sulfides can be ...
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http://www.daviddarling.info/encyclopedia/S/sulfide.html

A compound of sulfur in which the sulfur has a valence of -2; e.g., Na2S, HgS; also, a thioether (i.e., R-S-R', such as lanthionine). ... Synonym: sulfuret. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(sul´fīd) any binary compound of sulfur; a compound of sulfur with another element or base.
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http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: sŭl′fīd Definitions: 1. A compound of sulfur in which the sulfur has a valence of −2; Na
2S, HgS. 2. A thioether (R—S—R′, such as lanthionine). Synonyms: sulfuret
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http://www.medilexicon.com/medicaldictionary.php?t=86600

[
n] - a compound of sulphur and some other element that is more electropositive
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http://www.webdictionary.co.uk/definition.php?query=sulfide
sulphide noun a compound of sulphur and some other element that is more electropositive
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https://www.encyclo.co.uk/local/20974

A compound of sulfur and some other element.
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https://www.encyclo.co.uk/local/22734

a compound of sulfur with a more electropositive element or, less often, a group.
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https://www.infoplease.com/dictionary/sulfide
No exact match found.