acid
English Thesaurus
1. street name for lysergic acid diethylamide (noun.artifact)
2. any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt (noun.substance)
| hypernym | : | chemical compound, compound, |
| definition | : | (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight (noun.substance) |
| hyponym | : | arsenic acid, |
| definition | : | an acid formed from arsenic pentoxide (noun.substance) |
| hyponym | : | chloric acid, |
| definition | : | (HClO3) a strong unstable acid with an acrid odor found in chlorate salts (noun.substance) |
| hyponym | : | chlorous acid, |
| definition | : | (HClO2) a strongly oxidizing acid; known only in solution (noun.substance) |
| hyponym | : | monobasic acid, |
| definition | : | an acid containing only one replaceable hydrogen atom per molecule (noun.substance) |
| hyponym | : | dibasic acid, |
| definition | : | an acid containing two replaceable hydrogen atoms per molecule (noun.substance) |
| hyponym | : | tribasic acid, |
| definition | : | an acid containing three replaceable hydrogen atoms per molecule (noun.substance) |
| hyponym | : | tetrabasic acid, |
| definition | : | an acid containing four replaceable hydrogen atoms per molecule (noun.substance) |
| hyponym | : | fulminic acid, |
| definition | : | (CNOH) an unstable acid occurring mainly in the form of explosive salts and esters that is isomeric with cyanic acid (noun.substance) |
| hyponym | : | gamma acid, |
| definition | : | a crystalline acid used to make azo dyes (noun.substance) |
| hyponym | : | hydriodic acid, |
| definition | : | (HI) a colorless or yellow aqueous solution of hydrogen iodide (noun.substance) |
| hyponym | : | hydrocyanic acid, prussic acid, |
| definition | : | a solution of hydrogen cyanide in water; weak solutions are used in fumigating and in the synthesis of organic compounds (noun.substance) |
| hyponym | : | hydroxy acid, |
| definition | : | any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself (noun.substance) |
| hyponym | : | hyponitrous acid, |
| definition | : | an explosive white crystalline weak acid (H2N2O2) (noun.substance) |
| hyponym | : | lysergic acid, |
| definition | : | a crystalline acid often used in medical research; obtained from ergotic alkaloids (noun.substance) |
| hyponym | : | manganic acid, |
| definition | : | a dibasic acid (H2MnO4) found only in solution and in manganate salts (noun.substance) |
| hyponym | : | selenic acid, |
| definition | : | a strong acid (H2SeO4) analogous to sulfuric acid (noun.substance) |
| hyponym | : | titanic acid, |
| definition | : | a white weak acid that is a hydrated form of titanium dioxide (noun.substance) |
| hyponym | : | perchloric acid, |
| definition | : | a powerful oxidizing agent; forms perchlorates (noun.substance) |
| hyponym | : | carboxylic acid, |
| definition | : | an organic acid characterized by one or more carboxyl groups (noun.substance) |
| hyponym | : | aqua fortis, nitric acid, |
| definition | : | acid used especially in the production of fertilizers and explosives and rocket fuels (noun.substance) |
| hyponym | : | nitrous acid, |
| definition | : | an unstable inorganic acid known only in solution and as nitrite salts (noun.substance) |
| hyponym | : | aqua regia, nitrohydrochloric acid, |
| definition | : | a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold) (noun.substance) |
| hyponym | : | barbituric acid, malonylurea, |
| definition | : | a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs (noun.substance) |
| hyponym | : | lansoprazole, prevacid, |
| definition | : | antacid (trade name Prevacid) that suppresses acid secretion in the stomach (noun.substance) |
| hyponym | : | boracic acid, boric acid, |
| definition | : | any of various acids containing boron and oxygen (noun.substance) |
| hyponym | : | boric acid, orthoboric acid, |
| definition | : | a white or colorless slightly acid solid that is soluble in water and ethanol; used in the manufacture of glass and paper and adhesives and in detergents and as a flux in welding; also used as an antiseptic and food preservative (noun.substance) |
| hyponym | : | bromic acid, |
| definition | : | an unstable acid used as an oxidizing agent (noun.substance) |
| hyponym | : | carbamic acid, |
| definition | : | an acid that is known only by virtue of its salts (as ammonium carbamate) or its esters (as urethane) (noun.substance) |
| hyponym | : | carbonic acid, |
| definition | : | a weak acid known only in solution; formed when carbon dioxide combines with water (noun.substance) |
| hyponym | : | chromic acid, |
| definition | : | an unstable acid known only in solution and as chromate salts (noun.substance) |
| hyponym | : | citric acid, |
| definition | : | a weak water-soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent (noun.substance) |
| hyponym | : | cyanamid, cyanamide, |
| definition | : | a weak soluble dibasic acid (the parent acid of cyanamide salts) (noun.substance) |
| hyponym | : | cyanic acid, |
| definition | : | a colorless poisonous volatile liquid acid that hydrolyzes readily to ammonia and carbon dioxide (noun.substance) |
| hyponym | : | cyanuric acid, |
| definition | : | a trimer of cyanic acid (noun.substance) |
| hyponym | : | ferricyanic acid, |
| definition | : | a brown unstable acid formed from ferricyanide (noun.substance) |
| hyponym | : | ferrocyanic acid, |
| definition | : | a white unstable acid formed from ferrocyanide salts (noun.substance) |
| hyponym | : | fluoroboric acid, |
| definition | : | an acid of fluorine and boron (noun.substance) |
| hyponym | : | formic acid, |
| definition | : | a colorless pungent fuming vesicatory liquid acid HCOOH found naturally in ants and many plants or made catalytically from carbon monoxide and steam; used in finishing textiles and paper and in the manufacture of insecticides and fumigants (noun.substance) |
| hyponym | : | fumaric acid, |
| definition | : | a colorless crystalline acid with a fruity taste; used in making polyester resins (noun.substance) |
| hyponym | : | gallic acid, |
| definition | : | a colorless crystalline acid obtained from tannin (noun.substance) |
| hyponym | : | glyceric acid, |
| definition | : | a syrupy acid obtained by oxidation of glycerol or glyceraldehyde (noun.substance) |
| hyponym | : | hydrobromic acid, |
| definition | : | an aqueous solution of hydrogen bromide that is a strong liquid acid (noun.substance) |
| hyponym | : | hydrogen chloride, |
| definition | : | a colorless corrosive gas (HCl) (noun.substance) |
| hyponym | : | hydrofluoric acid, |
| definition | : | a weak poisonous liquid acid; formed by solution of hydrogen fluoride in water (noun.substance) |
| hyponym | : | hydroiodic acid, |
| definition | : | an acid formed by aqueous solution of hydrogen iodide (noun.substance) |
| hyponym | : | hypochlorous acid, |
| definition | : | a weak unstable acid known only in solution and in its salts; used as a bleaching agent and as an oxidizing agent (noun.substance) |
| hyponym | : | iodic acid, |
| definition | : | a soluble crystalline acid; used as a reagent and disinfectant (noun.substance) |
| hyponym | : | isocyanic acid, |
| definition | : | an acid known only in the form of its esters (noun.substance) |
| hyponym | : | itaconic acid, |
| definition | : | a crystalline carboxylic acid; occurs in some fermentations of sugars (noun.substance) |
| hyponym | : | maleic acid, |
| definition | : | a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins (noun.substance) |
| hyponym | : | oxalacetic acid, oxaloacetic acid, |
| definition | : | an acid formed by oxidation of maleic acid (as in metabolism of fats and carbohydrates) (noun.substance) |
| hyponym | : | ethanedioic acid, oxalic acid, |
| definition | : | a toxic colorless crystalline organic acid found in oxalis and other plants; used as a bleach and rust remover and in chemical analysis (noun.substance) |
| hyponym | : | pantothen, pantothenic acid, |
| definition | : | a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods (noun.substance) |
| hyponym | : | paba, para aminobenzoic acid, |
| definition | : | a metabolic acid found in yeast and liver cells; used to make dyes and drugs and sun blockers (noun.substance) |
| hyponym | : | pectic acid, |
| definition | : | a complex acid that occurs in ripe fruit and some vegetables (noun.substance) |
| hyponym | : | permanganic acid, |
| definition | : | an unstable purple acid (HMnO4) known only in solution or of permanganate salts (noun.substance) |
| hyponym | : | phthalic acid, |
| definition | : | a colorless acid used to make dyes and perfumes (noun.substance) |
| hyponym | : | picric acid, |
| definition | : | a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions (noun.substance) |
| hyponym | : | pyruvic acid, |
| definition | : | a colorless acid formed as an important intermediate in metabolism or fermentation (noun.substance) |
| hyponym | : | dichromic acid, |
| definition | : | the hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts (noun.substance) |
| hyponym | : | silicic acid, |
| definition | : | a jellylike substance (hydrated silica) (noun.substance) |
| hyponym | : | thiocyanic acid, |
| definition | : | an unstable acid that can be obtained by distilling a thiocyanate salt (noun.substance) |
| hyponym | : | toluic acid, |
| definition | : | an isomeric acid derived from toluene (noun.substance) |
| hyponym | : | triphosphoric acid, |
| definition | : | an acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters (noun.substance) |
| hyponym | : | undecylenic acid, |
| definition | : | an acid that is a component of perspiration (noun.substance) |
| hyponym | : | uric acid, |
| definition | : | a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine (noun.substance) |
| hyponym | : | xanthic acid, |
| definition | : | any of a class of unstable organic acids containing sulphur (noun.substance) |
3. having the characteristics of an acid (adj.all)
| similar | : | acidic, |
| definition | : | being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7) (adj.all) |
| domain category | : | chemical science, chemistry, |
| definition | : | the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition) |
4. harsh or corrosive in tone (adj.all)
| similar | : | unpleasant, |
| definition | : | disagreeable to the senses, to the mind, or feelings (adj.all) |
5. being sour to the taste (adj.all)
| similar | : | sour, |
| definition | : | having a sharp biting taste (adj.all) |
6. any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt (noun.substance)
| derivation | : | acid, |
| definition | : | having the characteristics of an acid (adj.all) |
7. having the characteristics of an acid (adj.all)
| derivation | : | acid, |
| definition | : | any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt (noun.substance) |
8. harsh or corrosive in tone (adj.all)
| derivation | : | acridity, acridness, |
| definition | : | the quality of being sharply disagreeable in language or tone (noun.attribute) |
| derivation | : | invective, vitriol, vituperation, |
| definition | : | abusive or venomous language used to express blame or censure or bitter deep-seated ill will (noun.communication) |
9. being sour to the taste (adj.all)
| derivation | : | acidity, acidulousness, |
| definition | : | the taste experience when something acidic is taken into the mouth (noun.cognition) |
10. any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt (noun.substance)
| derivation | : | acid, |
| definition | : | having the characteristics of an acid (adj.all) |
11. having the characteristics of an acid (adj.all)
| derivation | : | acid, |
| definition | : | any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt (noun.substance) |
12. harsh or corrosive in tone (adj.all)
| derivation | : | acridity, acridness, |
| definition | : | the quality of being sharply disagreeable in language or tone (noun.attribute) |
| derivation | : | invective, vitriol, vituperation, |
| definition | : | abusive or venomous language used to express blame or censure or bitter deep-seated ill will (noun.communication) |
13. being sour to the taste (adj.all)
| derivation | : | acidity, acidulousness, |
| definition | : | the taste experience when something acidic is taken into the mouth (noun.cognition) |
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