n
Alternative spelling of arsenic trisulfide [(inorganic chemistry) The bright yellow sulfide of arsenic, As₂S₃, that occurs as the mineral orpiment, and has been used as a pigment]
n
Alternative form of aurothiosulfate [(inorganic chemistry) The anion Au(S₂O₃)₂³⁻; any salt containing this anion]
n
(inorganic chemistry) Any salt containing this anion.
n
(chemistry) The anion HS⁻.
n
Alternative spelling of bisulfide [(chemistry) The anion HS⁻.]
n
Alternative form of borosulfate [(inorganic chemistry) The anion B(SO₄)₄⁵⁻]
n
Alternative form of carbon disulfide [(inorganic chemistry) A binary compound of carbon and sulfur, CS₂, a colourless liquid with a not-unpleasant smell; used as a specialist solvent, and in the manufacture of organosulfur compounds.]
n
(chiefly Britain) Alternative spelling of carbon oxysulfide [(inorganic chemistry) carbonyl sulfide]
n
A weak unstable acid, H₂CO₃, known only in solution, and as carbonate salts; it is present in carbonated drinks, and sparkling wine, but decomposes to form carbon dioxide and water.
n
Alternative form of chondroitinsulfatase [(biochemistry) Any sulfatase that sulfates chondroitin.]
n
Alternative form of cyclo-octasulfur. [(inorganic chemistry) Octasulfur.]
n
Alternative form of decasulfide [(inorganic chemistry) A sulfide having ten atoms of sulfur per molecule]
n
(chemistry, obsolete) A disulphide.
n
Alternative spelling of dimethyldisulfide [(organic chemistry) The aliphatic compound (CH₃CH₂S)₂ found in crude oil and in brassicas; it has a hemolytic action]
n
(organic chemistry) Alternative form of dimethylsulfide
n
Alternative form of disulphate [(chemistry) A salt or ester of disulphuric acid or pyrosulphuric acid; a pyrosulphate.]
n
(chemistry) Alternative spelling of disulfane [(organic chemistry) Any organic compound containing two sulfur atoms joined together.]
n
Alternative spelling of disulfide [(organic chemistry) A functional group with two sulfur atoms bonded to one another, described by the following formula: R–S–S–R'.]
n
(chemistry) A thick oily liquid, H₂S₂O₇.
n
(chemistry, uncountable) Initialism of DiMethyl Sulfide.
n
(inorganic chemistry) Any solution of sulfur trioxide in sulfuric acid; it contains pyrosulfuric acid, and is used in the manufacture of nitroglycerine etc.
n
(inorganic chemistry) Any anion of general formula SO₂X⁻ or any salt containing such an anion
n
(chemistry) Any sulphide containing two sulphur atoms in each molecule.
n
(biochemistry) A disulfide formed from the reaction of two different moieties.
n
Alternative form of heterodisulfide [(biochemistry) A disulfide formed from the reaction of two different moieties.]
n
(inorganic chemistry) A purple crystalline allotrope of phosphorus.
n
(erroneously) hydrogen sulfide
n
(Britain) Alternative spelling of hydrogen disulfide [(chemistry) the sulfur analogue of hydrogen peroxide, H₂S₂]
n
(inorganic chemistry) A toxic gas, H₂S, smelling like rotten eggs and used in analytical chemistry and industry.
n
(inorganic chemistry, chiefly Britain) Alternative spelling of hydrogen sulfide [(inorganic chemistry) A toxic gas, H₂S, smelling like rotten eggs and used in analytical chemistry and industry.]
n
(inorganic chemistry) sulphurous acid
n
Alternative form of hydrogen sulfite [(chemistry) sulfurous acid]
n
(chemistry) Any compound of general formula RSₙH (where n is greater than 2) having a chain of sulfur atoms.
n
(chemistry) Alternative form of hydropolysulfide [(chemistry) Any compound of general formula RSₙH (where n is greater than 2) having a chain of sulfur atoms.]
n
(chemistry) Any compound formally derived from hydrogen sulfide by replacing one hydrogen atom with a metal or other radical; a thiol or mercaptan.
n
(obsolete) Sodium dithionite.
adj
(chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
n
(chemistry) hydrogen sulfide
n
(chemistry) an alternative name for hyposulfurous acid
n
Alternative form of hydrosulfate [(chemistry) Any sulfate of an organic base]
n
(Britain) Alternative spelling of hydrosulfide [(chemistry) Any compound formally derived from hydrogen sulfide by replacing one hydrogen atom with a metal or other radical; a thiol or mercaptan.]
n
(obsolete) Sodium dithionite.
adj
Alternative spelling of hydrosulfuric [(chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.]
n
Alternative spelling of hydrosulfuric acid [(chemistry) hydrogen sulfide]
n
Any of a class of chemical compounds used to produce foam in shower gels, shampoos, etc. and in industrial processes.
n
(photography, informal) Sodium thiosulfate (also called hyposulfite of soda), a photographic fixing agent.
n
(inorganic chemistry, dated) Sodium thiosulfate.
n
(inorganic chemistry) An unstable acid, H₂S₂O₂, only known in solution, used as a reducing agent; its salts are hyposulfites).
n
(chemistry) Alternative spelling of hyposulfurous acid [(inorganic chemistry) An unstable acid, H₂S₂O₂, only known in solution, used as a reducing agent; its salts are hyposulfites).]
n
(chemistry, historical) An early industrial method of producing sodium carbonate. It involved two stages: production of sodium sulfate from sodium chloride, followed by reaction of the sodium sulfate with coal and calcium carbonate to produce sodium carbonate.
n
(alchemy, obsolete chemistry) Synonym of antimony sulfide.
n
Alternative spelling of magnesium sulfate [The magnesium salt of sulfuric acid (chemical formula MgSO₄), commonly called Epsom salts.]
n
(inorganic chemistry) Alternative spelling of mercury sulfide [(inorganic chemistry) A binary compound of sulfur and mercury that occurs naturally as cinnabar]
n
(inorganic chemistry) The oxyanion of sulfur S₂O₅²⁻ or any salt containing this ion
n
Alternative spelling of methanesulfonic acid [(organic chemistry) The simplest organic sulfonic acid CH₃SO₂OH]
n
Alternative form of methosulfate [(chemistry) The methyl-sulfate anion CH₃-O-SO₃⁻ or any salt containing this anion]
n
Alternative spelling of methylsulfonylmethane [(organic chemistry) An organosulfur compound with the chemical formula (CH₃)₂SO₂.]
n
Alternative form of naphthalenesulfonate [(chemistry) Any of a class of derivatives of sulfonic acid which contain a naphthalene functional unit.]
n
Alternative form of nitrosylsulfuric acid [(inorganic chemistry) A nitrosyl derivative of sulfuric acid that is used in industrial synthesis]
n
Alternative form of oligosulfide [(chemistry) Any salt or ester containing a chain of several sulfur atoms]
n
Alternative form of oxysulfide [A mixed oxide and sulfide.]
n
Sodium percarbonate or a product containing it.
n
Alternative form of peroxydisulfate [(inorganic chemistry) A persulfate containing two sulfate moieties]
n
Alternative form of peroxidisulfate
n
(inorganic chemistry, in combination) A ligand consisting of a chain of sulfur atoms connected at both ends
n
(chemistry) Alternative form of polysulfane [(chemistry) any compound, of general formula HSₙH (n > 2), having an unbranched chain of sulfur atoms]
n
(chemistry) Alternative spelling of polysulfide [(chemistry) Any compound of general formula RSₙR having a chain of more than two sulfur atoms; any derivative of a polysulfane.]
n
(inorganic chemistry) The potassium salt of sulfurous acid, K₂SO₃, used as a food preservative.
n
(inorganic chemistry) Any of a series of sulfides of a particular metal that has the fewest atoms of sulfur per molecule
n
(chemistry) A compound of sulphuric acid with the protoxide of a metal.
n
(chemistry, obsolete) A protosulphide.
n
(inorganic chemistry) Any salt of pyrosulfuric acid.
n
(inorganic chemistry, Britain) Alternative spelling of pyrosulfuric acid [(inorganic chemistry) The acid, H₂S₂O₇, formed by the reaction of sulfur trioxide with sulfuric acid; used in the manufacture of explosives etc.]
n
(chemistry) sulfenic acid
n
(chemistry, obsolete) A solution of equal parts of corrosive sublimate and ammonium chloride.
n
(obsolete) ammonium chloride
n
Alternative form of sassoline [(mineralogy) Native boric acid, found in saline incrustations on the borders of hot springs near Sasso, in the territory of Florence.]
n
Alternative form of selenosulfide [(inorganic chemistry) Any mixed selenide and sulfide]
n
(inorganic chemistry) A chemical compound containing one and a half sulfate groups per formula. ([SO₄]_(1.5)³⁺)
n
Alternative spelling of silver sulfide [(inorganic chemistry) a binary compound of silver and sulfur, Ag₂S]
n
(inorganic chemistry) An ionic compound made up of aluminium cations (Al³⁺), sodium cations (Na⁺), and phosphate anions (PO₄³⁻) in the ratio of 1:3:2, respectively. Other ratios are possible and some combinations also contain hydrogen and/or water molecules and/or HPO₄²⁻ as well. It is used in baking as a leavening agent for making sponge cakes, crumpets.
n
(chemistry) A salt of sodium hydroxide and carbonic acid, NaHCO₃.
n
(inorganic chemistry) The mono sodium salt of sulfurous acid, NaHSO₃, used as a food preservative and as a reagent in organic synthesis.
n
Alternative spelling of sodium bisulfate [(inorganic chemistry) The inorganic compound NaHSO₄, used primarily to lower pH.]
n
Synonym of sodium lauryl sulfate
n
(British spelling, chemistry) Alternative spelling of sodium lauryl sulfate [An ionic detergent, sodium dodecyl sulfate, used in many household products.]
n
(inorganic chemistry) The inorganic compound Na₂S₂O₅, used as a food preservative, in photography and in many industrial applications
n
Alternative spelling of sodium metabisulfite [(inorganic chemistry) The inorganic compound Na₂S₂O₅, used as a food preservative, in photography and in many industrial applications]
n
(chemistry) The sodium salt of sulfurous acid, Na₂SO₃, used as a food preservative, in photography and in many industrial applications.
n
(chiefly Britain) Alternative spelling of sodium sulfite [(chemistry) The sodium salt of sulfurous acid, Na₂SO₃, used as a food preservative, in photography and in many industrial applications.]
n
The saponified product of tallow, used in soapmaking.
n
Alternative spelling of sodium thiosulfate [An inorganic compound that is typically available as the pentahydrate, Na₂S₂O₃·5H₂O. It is used in iodometry, photographic processing, gold extraction, etc.]
n
Alternative form of sodium dodecyl sulfate [Synonym of sodium lauryl sulfate]
n
Alternative form of sodium thiosulphate
n
(chemistry, obsolete) sulfuric acid
n
(uncountable, inorganic chemistry) The compound SO₂(NH₂)₂ formed by the reaction of ammonia with sulfuryl chloride
n
(inorganic chemistry) The anion NH₂SO₂⁻ or any salt containing this anion
n
(inorganic chemistry, uncountable) hydrogen sulfide (IUPAC name)
n
(chemistry, uncommon) Bisulfide, the anion HS⁻.
n
(chemistry) Any compound, of general formula RSNR₂, derived from a sulfenic acid by replacement of the hydroxyl by an amino group
n
(chemistry) hydrogen sulfide when considered as an acid (e.g., in solution)
n
(American spelling, chemistry) Any compound of sulfur and a metal or other electropositive element or group.
n
(chemistry) Any amide of a sulfinic acid RS(=O)NR'₂.
n
(chemistry) any amidine of a sulfinic acid RS(=NR')NR₂
n
(chemistry) any compound, of general formula RS(=O)-O-S(=O)R, that is an acid anhydride of a sulfinic acid
n
(obsolete, chemistry) sulfimide
n
(chemistry) Any amide of a sulfonic acid RS(=O)₂NR'₂
n
(chemistry) Any compound, of general formula RS(=NR)₂R, derived from a sulfone by replacing each =O with =NR.
n
(chemistry) a strong inorganic acid, HSO₂OH
n
(chemistry) any compound, of general formula RS(=O)₂OS(=O)₂R, that is the acid anhydride of a sulfonic acid
n
Alternative form of sulforhodamine [Any derivative of a rhodamine formed by adding one or more sulfonate groups. Often used as fluorescent dyes.]
n
(organic chemistry) Any compound of general formula R₂S=O.
n
(chemistry) any compound of general formula R₂S(=O)=NR
n
(inorganic chemistry) hyposulfite
n
(countable, uncountable) A yellowish green colour, like that of sulfur.
n
(chemistry, biochemistry) the natural cycle which includes the mineralization of organic sulfur to sulfide, oxidation of this to sulfate, and reduction of this to sulfide followed by microbial incorporation of this into organic compounds
n
(American spelling, inorganic chemistry) A toxic gas, of molecular formula SO₂ that is found in the emissions of volcanos and those of burning coal or petroleum; dissolves in water to form sulfurous acid and, in the presence of oxygen, sulfuric acid, and is thus responsible for acid rain.
n
(inorganic chemistry) A corrosive liquid, SO₃, which forms sulfuric acid on contact with water; made commercially by the oxidation of sulfur dioxide.
v
(chemistry) to treat or to combine something with sulfur
n
(inorganic chemistry) The weak acid, H₂SO₃, present in a solution of sulfur dioxide in water; it is a reducing agent and mild bleach.
n
Alternative form of sulfuryl fluoride [(inorganic chemistry) The compound SO₂F₂ which is used as a fungicide and fumigant]
n
(British spelling, chemistry) Alternative spelling of sulfamate [(American spelling, chemistry) Any salt or ester of sulfamic acid]
n
Alternative spelling of sulfamidate [(inorganic chemistry) The anion NH₂SO₃⁻ or any salt containing this anion]
n
Alternative spelling of sulfamidic acid [(chemistry) sulfamic acid]
n
Alternative spelling of sulfenamide [(chemistry) Any compound, of general formula RSNR₂, derived from a sulfenic acid by replacement of the hydroxyl by an amino group]
n
(chemistry) Alternative spelling of sulfene [(chemistry) Any S-dioxide of a thioaldehyde or thioketone; R₂SO₂.]
n
Alternative spelling of sulfenic acid [(organic chemistry) any compound of general formula RSOH]
n
Alternative form of sulfenylium [(chemistry) any univalent cation of general formula RS⁺ (where R is not H)]
n
Alternative spelling of sulfhydryl [(organic chemistry) The univalent radical -SH that is the sulfur analogue of hydroxyl and constitutes the thiol group]
n
Alternative form of sulfilimine [(chemistry) sulfimide]
n
Alternative form of sulfimide [(chemistry) The compound H₂S=NH, or any of its hydrocarbyl derivatives R₂S=NR'.]
n
Alternative form of sulfimine [(chemistry) sulfimide]
n
Alternative form of sulfinamide [(chemistry) Any amide of a sulfinic acid RS(=O)NR'₂.]
n
Alternative form of sulfinamidine [(chemistry) any amidine of a sulfinic acid RS(=NR')NR₂]
n
Alternative spelling of sulfine [(organic chemistry) Any S-oxide of a thioaldehyde or thioketone R₂C=S=O]
n
Alternative spelling of sulfinic anhydride [(chemistry) any compound, of general formula RS(=O)-O-S(=O)R, that is an acid anhydride of a sulfinic acid]
n
Alternative form of sulfinide
n
alternative spelling of sulfinimine [(obsolete, chemistry) sulfimide]
n
Alternative spelling of sulfinyl [thionyl]
n
alternative spelling of sulfinylamine [(chemistry) any compound with general formula RN=S=O]
n
(chemistry) A hypothetical radical, SO₄, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition.
n
(chemistry) A material manufactured by heating sugars with a sulphite and ammonia or ammonium compounds,
n
Alternative form of sulfacid [thioacid]
adj
(chemistry, obsolete) Of, relating to, or containing, sulphur and arsenic; said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen.
n
(inorganic chemistry) Alternative form of sulfocarbonate [(inorganic chemistry) thiocarbonate]
n
(chemistry) A sulphacid, H₂CSO₂, analogous to carbonic acid.
adj
Alternative form of sulfochlorinated
n
Alternative form of sulfochlorination [(chemistry) Simultaneous reaction with sulfur dioxide and chlorine]
n
Alternative form of sulfomucin [Any of a class of mucins containing sulfate esters.]
n
Alternative spelling of sulfonal [(chemistry) A sulfone, derived from acetone and ethyl mercaptan, that is used as a mild hypnotic.]
n
Alternative spelling of sulfonediimine [(chemistry) Any compound, of general formula RS(=NR)₂R, derived from a sulfone by replacing each =O with =NR.]
n
(British spelling, chemistry) Alternative spelling of sulfonic acid [(chemistry) a strong inorganic acid, HSO₂OH]
n
Alternative spelling of sulfonic anhydride [(chemistry) any compound, of general formula RS(=O)₂OS(=O)₂R, that is the acid anhydride of a sulfonic acid]
n
alternative spelling of sulfonimide [(chemistry) sulfoximide]
n
Alternative spelling of sulfonium [(inorganic chemistry) the univalent H₃S⁺ cation, derived from sulfane]
n
Alternative form of sulfonphthalein [(chemistry) Any chemical compound, analogous to a phthalein, formed by the condensation of o-sulfobenzoic acid with a phenol.]
n
Alternative form of sulfonylamine [(chemistry) any compound of general formula RN=S(=O)₂]
n
Alternative spelling of sulforhodamine [Any derivative of a rhodamine formed by adding one or more sulfonate groups. Often used as fluorescent dyes.]
n
(chemistry) A sulphacid of tin (more exactly called metasulphostannic acid), which is obtained as a dark brown amorphous substance forming a well-known series of salts.
n
A solution of vanillin in sulphuric acid
n
Alternative form of sulfoxide [(organic chemistry) Any compound of general formula R₂S=O.]
n
alternative spelling of sulfoximide [(chemistry) any compound of general formula R₂S(=O)=NR]
n
Alternative form of sulfoximine [(chemistry) sulfoximide]
n
Alternative spelling of sulfur acid [sulfuric acid]
n
Alternative spelling of sulfur alcohol [a thiol or mercaptan]
n
Alternative spelling of sulfur cycle [(chemistry, biochemistry) the natural cycle which includes the mineralization of organic sulfur to sulfide, oxidation of this to sulfate, and reduction of this to sulfide followed by microbial incorporation of this into organic compounds]
n
Alternative spelling of sulfur dibromide [(chemistry) a gaseous binary compound, SBr₂, of sulfur and bromine]
n
(chiefly Britain) Alternative spelling of sulfur nitride [(chemistry) a simple binary compound of sulfur and nitrogen, S₄N₄, having a ring structure; it is explosive]
n
Alternative spelling of sulfur oxide [(chemistry) Any binary compound of sulfur and oxygen; either sulfur monoxide, sulfur dioxide or sulfur trioxide.]
n
(inorganic chemistry, Britain) Alternative spelling of sulfur trioxide [(inorganic chemistry) A corrosive liquid, SO₃, which forms sulfuric acid on contact with water; made commercially by the oxidation of sulfur dioxide.]
n
Obsolete spelling of sulfuret [(obsolete, chemistry) A sulfide.]
n
(obsolete, inorganic chemistry) carbon disulfide
n
(British spelling, inorganic chemistry) A colourless highly corrosive liquid, H₂SO₄.
n
(inorganic chemistry, chiefly British spelling) Alternative spelling of sulfurous acid [(inorganic chemistry) The weak acid, H₂SO₃, present in a solution of sulfur dioxide in water; it is a reducing agent and mild bleach.]
n
Alternative spelling of sulfuryl [(chemistry) the divalent radical and functional group SO₂=]
n
Alternative spelling of sulfhydric acid [(chemistry) hydrogen sulfide when considered as an acid (e.g., in solution)]
n
Alternative spelling of sulfhydryl [(organic chemistry) The univalent radical -SH that is the sulfur analogue of hydroxyl and constitutes the thiol group]
n
(chemistry, obsolete) An acid sulphate.
n
Alternative form of tersulphide [(chemistry) A trisulfide.]
n
(chemistry) A trisulfide.
n
(chemistry) The allotrope of sulfur, S₄ having four atoms in a ring
n
(inorganic chemistry) The anion S(=S)O₂²⁻; any salt containing this anion
n
(inorganic chemistry) An unstable acid, H₂S₂O₃, formally derived from sulfuric acid by the substitution of a sulfur atom in the place of an oxygen one; it is known only in solution or as its salts and esters, the thiosulfates.
n
A salt of thiosulphuric acid.
adj
(inorganic chemistry, chiefly Britain) Alternative spelling of thiosulfuric [(inorganic chemistry) Of or pertaining to thiosulfuric acid or its derivatives.]
n
(inorganic chemistry, chiefly Britain) Alternative spelling of thiosulfuric acid [(inorganic chemistry) An unstable acid, H₂S₂O₃, formally derived from sulfuric acid by the substitution of a sulfur atom in the place of an oxygen one; it is known only in solution or as its salts and esters, the thiosulfates.]
n
Alternative form of trisulfate [(inorganic chemistry) Any compound containing three sulfate groups or ions]
n
Alternative spelling of washing soda [sodium carbonate used as a laundry aid]
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