English words: phosphatidate to phosphonous

300 English words, part 75 of 213 of the words starting with P, A to Z. 14 have a page of their own.

English words phosphatidate to phosphonous

phosphatidate noun /fɒsˈfætɪdeɪt/: A monoglyceride or diglyceride combined with phosphoric acid; combines with another simple organic molecule to form a phospholipid.
phosphatide noun /ˈfɒsfətaɪd/: a phospholipid
phosphatidic adjective: Of or pertaining to a phosphatide
phosphatidic acid noun: any derivative of glycerol in which one hydroxyl is esterified with phosphoric acid and the other two are esterified with fatty acids
phosphatidyl noun /fɒsˈfætɪdɪl/: A radical derived from a phosphatide
phosphatidylcholine noun: The phospholipid phosphatidyl choline
phosphatidylethanolamide noun: An amide derived from a phosphatidylethanolamine, typically by reaction with a prostaglandin
phosphatidylethanolamine noun: Any of a class of phospholipid containing ethanolamine.
phosphatidylglucose noun: Any phospholipid in which the small organic molecule is glucose
phosphatidylglyceride noun: Any phospholipid that is a glyceride of phosphatidylglycerol
phosphatidylglycerol noun: Any phospholipid in which the small organic molecule is glycerol
phosphatidylinositide noun: phosphatidylinositol
phosphatidylinositol noun: a phospholipid containing inositol
phosphatidylserine noun: A phospholipid containing serine.
phosphatidylthreonine noun: The phospholipid phosphatidyl threonine that regulates calcium homeostasis
phosphatidyltransferase noun: An enzyme that catalyzes the transfer of a phosphatidyl group from one molecule to another, involved in lipid metabolism and cell membrane synthesis.
phosphating noun: The application of a protective coating of phosphate to the surface of metals (usually steels); various types exist; the coating is often black or gray.
phosphation noun: The process of phosphating.
phosphatisation noun: Alternative form of phosphatization.
phosphatise verb: Alternative form of phosphatize.
phosphatization noun: the conversion of something into a phosphate
phosphatize verb: to convert something into a phosphate
phosphatized adjective, verb: converted into a phosphate
phosphatocopid noun: Any extinct arthropod of the order Phosphatocopida
phosphatome noun: The complete set of phosphatases found in a biological sample; especially that found in a person's body under normal conditions, and when suffering from a...
phosphatonin noun: Any of a class of proteins that control phosphate homeostasis
phosphatrane noun: Any atrane having phosphorus as the heteroatom
phosphaturia noun: The presence of phosphate in the urine.
phosphaturic adjective: Relating to phosphaturia.
phosphazene noun: Any of a class of compounds in which a phosphorous atom is covalently linked to a nitrogen atom by a double bond, and to three other atoms or radicals by...
phosphazine noun: The six-membered aromatic heterocycle containing four carbon atoms, one nitrogen atom and one phosphorus atom
phosphene noun: A sensation of lights induced by mechanical, electrical, or magnetic stimulation (rather than optical) of the retina or visual cortex, or by random firing...
phosphenium noun: The radical cation H₂P:⁺ derived from phosphine
phosphepane noun: A saturated seven-membered heterocycle containing six carbon atoms and one phosphorus atom
phosphepin noun: A chemical substance with a seven-membered unsaturated ring molecule containing a phosphorus atom.
phosphepine noun: A seven-membered unsaturated heterocycle containing six carbon atoms, one phosphorus atom and three double bonds; any derivative of this compound
phosphetane noun: A saturated four-membered heterocycle containing three carbon atoms and one phosphorus atom
phosphide noun: Any binary compound of phosphorus, especially one in oxidation state −3.
phosphidic adjective: Relating to, or containing phosphide
phosphinane noun: A saturated six-membered heterocycle containing five carbon atoms and one phosphorus atom
phosphinate noun: Any organophosphorus compound of general formula R₂(R^'O)P=O
phosphindole noun: A heterocycle formally derived from indole by replacing the nitrogen atom with phosphorus
phosphindolizine noun: A heterocycle formally derived from indolizine by replacing the nitrogen atom with phosphorus
phosphine noun /ˈfɒsfiːn/: A toxic gas, chemical formula PH₃.
phosphine imide noun: Any compound having the general formula R₃P=NH <=> R₃P⁺-N⁻H.
phosphine oxide noun: any compound having the general formula R₃P=O <=> R₃P⁺O⁻
phosphine sulfide noun: Any compound having the general formula R₃P=S <=> R₃P⁺S⁻.
phosphinic adjective: Of or pertaining to phosphinic acid or its derivatives
phosphinic acid noun: the acid H₂P(=O)OH, or any of its P-hydrocarbyl derivatives
phosphinidene noun: phosphanylidene
phosphinimide noun: Any of a class of organic compound of general formula R₃P=NH; any N-derivative of this type of compound
phosphinine noun: Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and a phosphorus atom; especially the simplest one, C₅H₅P.
phosphinite noun: Any organophosphorus compound of general formula P(OR)R₂
phosphino noun: The chemical radical or group containing two hydrogen and one phosphorus atoms -PH₂
phosphinoline noun: A heterocycle formally derived from quinoline by replacing the nitrogen atom with phosphorus
phosphinolizine noun: A heterocycle formally derived from quinolizine by replacing the nitrogen atom with phosphorus.
phosphinothricin noun: The herbicide (RS)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyric acid.
phosphinotricin noun: Alternative form of phosphinothricin.
phosphinous adjective: Of or pertaining to phosphinous acid or its derivatives.
phosphinous acid noun: the acid H₂POH, or any of its P-hydrocarbyl derivatives
phosphinyl noun: Any radical derived from a phosphine
phosphinylated adjective: Modified by addition of a phosphinyl group
phosphirane noun: A saturated heterocycle that has two carbon atoms and a phosphorus atom
phosphirene noun: An unsaturated heterocycle that has two carbon atoms, a phosphorus atom and a double bond
phosphite noun: any salt or ester of phosphorous acid
phosphite ester noun: An organophosphorous compound with the formula P(OR)₃.
phosphitylated adjective: Modified by phosphitylation
phosphitylation noun: The addition reaction of a phosphite
phospho- prefix: phosphorus
phosphoablative adjective: That removes (or deactivates) the phosphate groups of a phosphorylated protein
phosphoaccepting adjective: That acts as a phosphoacceptor
phosphoacceptor noun: A site on a biological macromolecule at which phosphorylation takes place
phosphoacetylated adjective: phosphorylated and acetylated
phosphoacetylation noun: phosphorylation and acetylation
phosphoacetylglucosamine mutase noun: A phosphotransferase enzyme, N-acetyl-alpha-D-glucosamine 1,6-phosphomutase.
phosphoactivate verb: To activate by means of a phosphate
phosphoactivation noun: activation by means of a phosphate
phosphoacylase noun: Synonym of phosphate acetyltransferase.
phosphoadenosine noun: Adenosine phosphate, (especially adenosine monophosphate).
phosphoalanine noun: An N-phosphoryl derivative of alanine that inhibits proteinases
phosphoamidase noun: A hydrolase enzyme, phosphamide hydrolase, acting on phosphorus-nitrogen bonds.
phosphoamide noun: Alternative form of phosphamide.
phosphoaminoglycoside noun: Any phosphorylated aminoglycoside
phosphoanhydride noun: The anhydride of a phosphoric acid or, especially, of a polyphosphoric acid
phosphoanhydridic adjective: Relating to phosphoanhydrides
phosphoanion noun: Any phosphorylated anion
phosphoantibody noun: An antibody that reacts with a phosphoprotein
phosphoantigen noun: Any of a class of non-peptidic antigens that are organic pyrophosphates
phosphoarginine noun: A particular phosphagen.
phosphoarray noun: An array of phosphors
phosphoaspartate noun: A phosphorylated form of aspartate, typically formed via protein phosphorylation
phosphobacterium noun: Any bacterium that solubilise phosphate (typically in soil)
phosphobinding adjective: That binds phosphate or phosphoryl groups
phosphocalcic adjective: Relating to any phosphate of calcium, especially in a biochemical context
phosphocane noun: A saturated eight-membered heterocycle containing seven carbon atoms and one phosphorus atom
phosphocarbonaceous adjective: Of, or relating to both phosphorus and carbon.
phosphocarnic acid noun: A phosphorus-containing acid obtained from muscle.
phosphocarrier noun: A class of cytoplasmic protein that is involved in the phosphorylation of sugars
phosphocaseinate noun: A complex of calcium phosphate and casein manufactured from skimmed milk
phosphocellulose noun: A phosphorylated cellulose used as an ion exchange resin.
phosphoceramide noun: Any phosphosphingolipid derived from a ceramide
phosphocholination noun: Reaction with phosphocholine
phosphocholine noun: The choline ester of phosphoric acid
phosphocitrate noun: Any salt or ester of phosphocitric acid
phosphocitric acid noun: The phosphorylated derivative of citric acid 2-phosphonooxypropane-1,2,3- tricarboxylic acid
phosphocline noun: A layer in a body of water in which the phosphate concentration changes rapidly with depth
phosphocluster noun: A cluster of cells associated with phosphorylation
phosphocreatine noun: A phosphorylated derivative of creatine that is used in muscles to store chemical energy
phosphocytometric adjective: Relating to phosphocytometry
phosphocytometry noun: The cytometric analysis of phosphorylated proteins
phosphodefective adjective: That has defective phosphorylation
phosphodeficiency noun: The condition of being phosphodeficient
phosphodeficient adjective: Having fewer than normal phosphorylation sites
phosphodegron noun: A phosphorylated degron
phosphodehydrogenase noun: Any dehydrogenase that acts on a phosphate (such as glucose-6-phosphate)
phosphodeoxyribomutase noun: phosphopentomutase
phosphodependent adjective: dependent on the presence of phosphate
phosphodestruction noun: The destruction of phosphorylated proteins, typically in cell walls
phosphodiester noun: any of many biologically active compounds in which two alcohols form ester bonds with phosphate
phosphodiesterase noun: Any of a family of enzymes that catalyze the cleavage of phosphodiester links in nucleic acids.
phosphodimer noun: A dimer in which the two monomers are joined by one or more phosphate groups
phosphodisaccharide noun: Any phosphosugar derived from a disaccharide
phosphodolichol noun: dolichol phosphate
phosphodomain noun: A domain of a phosphoprotein
phosphodonor noun: Any substance that donates a phosphoryl group
phosphoellenbergerite noun: A hexagonal-dihexagonal pyramidal blue mineral containing calcium, carbon, hydrogen, iron, magnesium, oxygen, and phosphorus.
phosphoenol noun: Any phosphate of an enol
phosphoenolpyruvate noun: A carboxylic acid, with the chemical formula C₃H₅O₆P, derived from pyruvate and an intermediate in glycolysis and gluconeogenesis.
phosphoenolpyruvate mutase noun: A phosphotransferase enzyme that catalyzes the chemical reaction phosphoenolpyruvate ⇌ 3-phosphonopyruvate.
phosphoenolpyruvic acid noun: Synonym of phosphoenolpyruvate.
phosphoenoylpyruvate noun: Alternative form of phosphoenolpyruvate.
phosphoenrichment noun: enrichment of phosphopeptides or phosphoproteins, typically as part of phosphoproteomics
phosphoenzyme noun: The phosphorylated form of an enzyme
phosphoepitope noun: Any epitope that contains a phosphate group
phosphoester noun: A phosphate ester
phosphoesterase noun: Any enzyme that catalyses the hydrolysis of a phosphate enzyme.
phosphoethanolamine noun: The ethanolamine ester of phosphoric acid
phosphoether noun: An ether of a phosphonic acid
phosphoferrite noun: An orthorhombic-dipyramidal mineral containing hydrogen, iron, manganese, oxygen, and phosphorus.
phosphofibrite noun: An orthorhombic-dipyramidal mineral containing copper, hydrogen, iron, oxygen, phosphorus, and potassium.
phosphoflow noun: The flow of phosphoproteins in a flow cytometer
phosphofluoridate noun: Synonym of fluorophosphate.
phosphoform noun: The phosphorylated form of a protein
phosphofructaldolase noun: An enzyme responsible for splitting fructose-1-phosphate in the liver.
phosphofructokinase noun: Any of a group of kinase enzymes that convert fructose phosphates to biphosphates
phosphofructomutase noun: Any enzyme that catalyzes the interconversion of isomers of fructose phosphates
phosphofructose noun: fructose phosphate
phosphofructotransferase noun: phosphofructokinase
phosphogalactoisomerase noun: An enzyme that converts glucose-1-phosphate to the isomeric glucose-6-phosphate
phosphogartrellite noun: A triclinic-pinacoidal bright green mineral containing copper, hydrogen, iron, lead, oxygen, and phosphorus.
phosphogenesis noun: The formation of phosphorite.
phosphogenetic adjective: Relating to phosphogenesis.
phosphoglucan noun: Any glucan that is associated with a phospholipid
phosphoglucoisomerase noun: An enzyme that catalyzes the conversion of glucose-6-phosphate into fructose 6-phosphate in the second step of glycolysis.
phosphoglucokinase noun: A transferase enzyme that participates in starch and sucrose metabolism.
phosphoglucomutase noun: Any enzyme that catalyzes the interconversion of isomers of glucose phosphates
phosphogluconate noun: Any phosphate derivative of a gluconate.
phosphogluconolactonase noun: Any enzyme that catalyzes the isomerization of phosphogluconolactone to phosphogluconate
phosphogluconolactone noun: the lactone form of phosphogluconate
phosphoglucosamine noun: Either of two isomeric glucosamine phosphates
phosphoglucosamine mutase noun: A phosphotransferase enzyme, alpha-D-glucosamine 1,6-phosphomutase, involved in aminosugar metabolism.
phosphoglucose noun: glucose phosphate
phosphoglucose isomerase noun: Alternative form of phosphoglucoseisomerase.
phosphoglucoseisomerase noun: Glucose-6-phosphate isomerase, an enzyme that catalyzes the conversion of glucose-6-phosphate into fructose 6-phosphate in the second step of glycolysis.
phosphoglucoside noun: A form of glucoside derived from phosphoglucose
phosphoglycan noun: Any glycan that is associated with a phospholipid
phosphoglyceraldehyde noun: glyceraldehyde 3-phosphate
phosphoglycerate noun: glycerophosphate
phosphoglycerate kinase noun: Any enzyme that catalyzes the transfer of a phosphate group between ATP and phosphoglycerate
phosphoglyceratekinase noun: Alternative form of phosphoglycerate kinase.
phosphoglyceratemutase noun: phosphoglyceromutase
phosphoglyceric adjective: Relating to phosphoglyceric acids and the phosphoglycerides
phosphoglyceric acid noun: Either of two isomeric phosphate esters of glycerol; 3-phosphoglyceric acid is the structural basis of the phospholipids
phosphoglyceride noun: a phosphatide combined with a small, basic molecule (such as choline or ethanolamine); a phospholipid
phosphoglycerokinase noun: phosphoglycerate kinase
phosphoglycerol noun: The glycerol ester of phosphoric acid that is a component of phospholipids
phosphoglycerolipid noun: glycerophospholipid
phosphoglyceromutase noun: An enzyme involved in glycolysis that catalyzes the internal transfer of a phosphate group from C-3 to C-2, resulting in the conversion of...
phosphoglycerylated adjective: Modified by reaction with phosphoglycerol
phosphoglycerylation noun: Reaction with phosphoglycerol
phosphoglycolate noun: The anion PO₃-O-CH₂CO₂³⁻ that inhibits photosynthesis.
phosphoglycolipid noun: Any phospholipid glycoside.
phosphoglycoprotein noun: Any phosphoglyceric glycoprotein
phosphoglycosyl noun: A glycosyl group attached to a phospholipid
phosphoglycosylation noun: glycosylation that involves a phospholipid
phosphoglycosyltransferase noun: Any enzyme that catalyses the transfer of a phosphoglycosyl group
phosphogypsum noun: A form of gypsum (calcium sulfate) formed as a by-product in the manufacture of phosphate fertilizers
phosphoheptose noun: Any phosphosugar derived from a heptose
phosphohexomutase noun: Any enzyme that catalyzes the interconversion of isomers of hexose phosphates
phosphohexose noun: Any phosphosugar derived from a hexose.
phosphohistidine noun: Either of two N-phosphate derivatives of histidine (in which N-H is replaced by N-PO₃H)
phosphohistone noun: A phosphoprotein related to histone.
phosphohydrase noun: Alternative form of phosphohydrolase.
phosphohydrolase noun: Any enzyme that hydrolyzes an organic phosphate group
phosphohydrolysis noun: The hydrolysis of an organic phosphate
phosphohydrolytic adjective: Relating to, or causing phosphohydrolysis
phosphoimage noun: An image made using a phosphoimager
phosphoimager noun: A device used to read a photostimulable phosphor (PSP) plate.
phosphoimagery noun: imagery produced by a phosphoimager
phosphoimaging noun: The use of photostimulated luminescence to make a form of X-ray image
phosphoimpaired adjective: Whose function is impaired by phosphorylation
phosphoinactivating noun: inactivating by means of phosphoinactivation
phosphoinactivation noun: inactivation by means of phosphorylation
phosphoinhibition noun: inhibition of a biochemical process by means of phosphorylation
phosphoinositide noun: The inositol ester of phosphoric acid that is a component of phosphatidylinositols
phosphoinositol noun: inositol phosphate
phosphointermediate noun: A phosphorylated intermediate
phosphoisoform noun: The isoform of a phosphoprotein
phosphoisomerase noun: Any enzyme that catalyses the isomerization of carbohydrate phosphates
phosphoisoprenoid noun: An isoprenoidal phosphate
phosphoisotype noun: phosphorylated isotype
phosphoketolase noun: A particular aldehyde-lyase enzyme.
phosphokinase noun: kinase
phospholabeling noun: The addition of radiophosphorus atoms to a compound
phospholabelling noun: Alternative form of phospholabeling.
phospholactate noun: Any salt or ester of phospholactic acid
phospholactic acid noun: The phosphorylated carboxylic acid (2S)-2-phosphonooxypropanoic acid
phospholamban noun: A protein that regulates the Ca2+ pump in cardiac muscle and skeletal muscle cells.
phospholane noun: A saturated, five-membered heterocycle having four carbon atoms and one phosphorus atom; any derivative of this compound
phosphole noun: The unsaturated five-membered heterocycle having four carbon atoms, one phosphorus atom and two double bonds; an analogue of pyrrole
phospholidine noun: Synonym of phospholane.
phospholigand noun: A ligand composed of an organic phosphate, phosphonic acid or similar.
phospholinked adjective: linked together via a phosphate group
phospholipase noun: Any of several enzymes that hydrolyze the phosphate ester bonds of phospholipids.
phospholipasic adjective: Relating to phospholipase
phospholipid noun /ˌfɑs.foʊˈlɪ.pɪd/: Any lipid, such as lecithin or cephalin, consisting of a diglyceride combined with a phosphate group and a simple organic molecule such as choline or...
phospholipidase noun: Alternative form of phospholipase.
phospholipidic adjective: Relating to, or composed of, phospholipid.
phospholipidome noun: The set of all phospholipids in a cell or organism
phospholipidomic adjective: Relating to a phospholipidome.
phospholipidomics noun: The study of the phospholipidome of an organism or cell
phospholipidosis noun: The abnormal deposition of phospholipids, especially in the alveoli
phospholipoglycoprotein noun: A complex of a phospholipid and a glycoprotein
phospholipoid noun: A phospholipid or similar compound.
phospholipolysis noun: The hydrolysis of a phospholipid
phospholipolytic adjective: That breaks down (hydrolyzes) phospholipids
phospholipolytically adverb: In a phospholipolytic manner
phospholipomannan noun: A complex formed between a phospholipid and a mannan
phospholipoprotein noun: Any lipoprotein in which the lipid is a phospholipid
phospholipoproteinaceous adjective: Relating to a phospholipoprotein.
phospholipoproteinosis noun: The buildup of phospholipoproteins in the bloodstream.
phospholiposome noun: Any liposome that has a phospholipid membrane
phospholytic adjective: Alternative form of phosphorolytic.
phospholytically adverb: In a phospholytic manner
phosphomannan noun: A phosphosugar derived from mannan
phosphomannomutase noun: A phosphotransferase enzyme that catalyzes the chemical reaction alpha-D-mannose 1-phosphate ⇌ D-mannose 6-phosphate.
phosphomannoprotein noun: A glycoprotein containing phosphomannose
phosphomannose noun: Synonym of mannose phosphate.
phosphomapping noun: The mapping and analysis of phosphorylation sites
phosphomarker noun: A phosphorescent marker
phosphometabolite noun: Any metabolite that contains a phosphate (or similar) group
phosphometabolomic adjective: Relating to phosphometabolomics
phosphometabolomics noun: The metabolomics of phosphometabolites
phosphomethylpyrimidine noun: The biochemically-active compound (4-amino-2-methylpyrimidin-5-yl)methyl phosphate
phosphomevalonate noun: Any salt or anion of phosphomevalonic acid
phosphomevalonic acid noun: An intermediate in the mevalonate pathway.
phosphomimetic noun: Any agent that mimics biological phosphorylation
phosphomimic adjective, noun, verb: Modified (by amino acid substitution) to mimic a phosphorylated protein
phosphomimicking noun: modification in order to mimic a specific phosphorylated protein
phosphomimicry noun: The condition of being phosphomimic
phosphomodification noun: modification, typically of a protein, by phosphorylation
phosphomolybdate noun: Any salt of phosphomolybdic acid
phosphomolybdenum noun: phosphomolybdate
phosphomolybdic adjective: Relating to phosphomolybdic acid or its derivatives.
phosphomolybdic acid noun: A yellow-green compound used as a reagent in thin-layer chromatography.
phosphomolybdotungstate noun: A heteropolyanion derived from phosphomolybdate and phosphotungstate; any salt containing this anion
phosphomonoester noun: A monoester of phosphoric acid
phosphomonoesterase noun /ˌfɑsfoʊˌmɑnoʊˈɛstəˌɹeɪs/: A phosphoric monoester hydrolase; an enzyme that catalyzes the hydrolysis of O-P bonds by nucleophilic attack of phosphorus by cysteine residues or...
phosphomotif noun: A sequence of phosphopeptides
phosphomutant noun: A mutant protein that is a phosphoprotein, wherein the mutation changes one or more amino acids modifiable by phosphorylation into non-phosphorylatable...
phosphomutase noun: Any mutase that acts on phosphate groups
phosphomutated adjective: Modified by phosphomutation
phosphomutation noun: The formation of a phosphomutant
phosphomycin noun: Alternative form of fosfomycin.
phosphonamidite noun: Any amidite derived from a phosphate
phosphonatase noun: Any enzyme that hydrolyses phosphonates
phosphonate noun, verb: Any salt or ester of a phosphonic acid; many of its derivatives have important biological activity.
phosphonecrosis noun: necrosis caused by exposure to phosphorus; phossy jaw
phosphoneoepitope noun: A phosphorylated neoepitope
phosphonic adjective: Of or pertaining to phosphonic acid or its derivatives.
phosphonic acid noun: the acid HP(=O)(OH)₂, or any of its P-hydrocarbyl derivatives
phosphonite noun: Any organophosphorus compound of general formula (RO)₂(R^')P
phosphonitrile noun: any of many polymeric compounds of general formula (X₂PN)ₙ where X is an electronegative group such as halogen or alkoxy
phosphonitrilic adjective: Relating to, or derived from a phosphonitrile
phosphonium noun: the tetravalent positively-charged phosphorus cation R₄P⁺
phosphonoacetate noun: A salt or ester of phosphonoacetic acid.
phosphonoacetic adjective: Relating to phosphonoacetic acid or its derivatives
phosphonoacetic acid noun: The compound (OH)₂P(=O)-CH₂COOH that inhibits the replication of herpesviruses
phosphonodiamidite noun: Any diamidite derived from a phosphate
phosphonodithioate noun: Any sulfur derivative of a phosphonate that has the form R-O-PH(=S)S⁻
phosphonoformate noun: Any salt of phosphonoformic acid
phosphonoformic acid noun: The compound PO(OH)₂-CO-OH known only as its salts
phosphonoglycerol noun: Synonym of glycerophosphoric acid.
phosphonolipid noun: phospholipid
phosphonopentanoic adjective: Describing a compound in which a terminal hydrogen atom of pentanoic acid (or more frequently 2-amino-pentanoic acid) is replaced by a phosphonic acid
phosphonopyruvate noun: Any salt or ester of phosphonopyruvic acid
phosphonopyruvic acid noun: The phosphorylated carboxylic acid 2-oxo-3-phosphonopropanoic acid
phosphonoselenoate noun: Any anion of the form R-O-PH(=O)-Se⁻
phosphonothioate noun: Any anion of the form R-O-PH(=O)-S⁻ (or similar forms having the negative charge on the oxygen atom)
phosphonous adjective: Of or pertaining to phosphonous acid or its derivatives.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under P: 63,631 words, in 213 parts.