"acid" | Definition and Related Words

acid

Noun

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 (synset 114631699)
is a type of: chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
subtypes:
- alcapton, alkapton, homogentisic acid - an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine
- arsenic acid - an acid formed from arsenic pentoxide
- cerotic acid, hexacosanoic acid - a white solid fatty acid found in waxes (such as beeswax)
- chloric acid - (HClO3) a strong unstable acid with an acrid odor found in chlorate salts
- chlorous acid - (HClO2) a strongly oxidizing acid; known only in solution
- monobasic acid - an acid containing only one replaceable hydrogen atom per molecule
- dibasic acid - an acid containing two replaceable hydrogen atoms per molecule
- tribasic acid - an acid containing three replaceable hydrogen atoms per molecule
- tetrabasic acid - an acid containing four replaceable hydrogen atoms per molecule
- fulminic acid - (CNOH) an unstable acid occurring mainly in the form of explosive salts and esters that is isomeric with cyanic acid
- gamma acid - a crystalline acid used to make azo dyes
- hydriodic acid - (HI) a colorless or yellow aqueous solution of hydrogen iodide
- hydrocyanic acid, prussic acid - a solution of hydrogen cyanide in water; weak solutions are used in fumigating and in the synthesis of organic compounds
- hydroxy acid - any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself
- hyponitrous acid - an explosive white crystalline weak acid (H2N2O2)
- lysergic acid - a crystalline acid often used in medical research; obtained from ergotic alkaloids
- manganic acid - a dibasic acid (H2MnO4) found only in solution and in manganate salts
- 2-methylpropenoic acid, methacrylic acid - an unsaturated acid (C4H6O2) used to make resins and plastics
- selenic acid - a strong acid (H2SeO4) analogous to sulfuric acid
- sulfonic acid, sulphonic acid - an acid derived from sulphuric acid
- titanic acid - a white weak acid that is a hydrated form of titanium dioxide
- perchloric acid - a powerful oxidizing agent; forms perchlorates
- carboxylic acid - an organic acid characterized by one or more carboxyl groups
- aminobenzoic acid - a derivative of benzoic acid
- aqua fortis, nitric acid - acid used especially in the production of fertilizers and explosives and rocket fuels
- nitrous acid - an unstable inorganic acid known only in solution and as nitrite salts
- aqua regia, nitrohydrochloric acid - a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)
- barbituric acid, malonylurea - a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs
- lansoprazole, prevacid - antacid (trade name Prevacid) that suppresses acid secretion in the stomach
- boracic acid, boric acid - any of various acids containing boron and oxygen
- boric acid, orthoboric acid - 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
- bromic acid - an unstable acid used as an oxidizing agent
- carbamic acid - an acid that is known only by virtue of its salts (as ammonium carbamate) or its esters (as urethane)
- carbolic acid, hydroxybenzene, oxybenzene, phenol, phenylic acid - a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
- carbonic acid - a weak acid known only in solution; formed when carbon dioxide combines with water
- chromic acid - an unstable acid known only in solution and as chromate salts
- citric acid - a weak water-soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent
- cyanamid, cyanamide - a weak soluble dibasic acid (the parent acid of cyanamide salts)
- cyanic acid - a colorless poisonous volatile liquid acid that hydrolyzes readily to ammonia and carbon dioxide
- cyanuric acid - a trimer of cyanic acid
- ferricyanic acid - a brown unstable acid formed from ferricyanide
- ferrocyanic acid - a white unstable acid formed from ferrocyanide salts
- fluoroboric acid - an acid of fluorine and boron
- fluosilicic acid, hydrofluosilicic acid - an unstable poisonous corrosive acid known primarily in the form of its salts
- formic acid - 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
- fumaric acid - a colorless crystalline acid with a fruity taste; used in making polyester resins
- gallic acid - a colorless crystalline acid obtained from tannin
- glyceric acid - a syrupy acid obtained by oxidation of glycerol or glyceraldehyde
- glycolic acid, glycollic acid, hydroxyacetic acid - a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes
- hydrobromic acid - an aqueous solution of hydrogen bromide that is a strong liquid acid
- chlorohydric acid, hydrochloric acid - an aqueous solution of hydrogen chloride; a strongly corrosive acid
- hydrogen chloride - a colorless corrosive gas (HCl)
- hydrofluoric acid - a weak poisonous liquid acid; formed by solution of hydrogen fluoride in water
- hydroiodic acid - an acid formed by aqueous solution of hydrogen iodide
- hypochlorous acid - a weak unstable acid known only in solution and in its salts; used as a bleaching agent and as an oxidizing agent
- iodic acid - a soluble crystalline acid; used as a reagent and disinfectant
- isocyanic acid - an acid known only in the form of its esters
- itaconic acid - a crystalline carboxylic acid; occurs in some fermentations of sugars
- maleic acid - a colorless crystalline compound found in unripe fruit (such as apples or tomatoes or cherries) and used mainly to make polyester resins
- oxalacetic acid, oxaloacetic acid - an acid formed by oxidation of maleic acid (as in metabolism of fats and carbohydrates)
- ethanedioic acid, oxalic acid - a toxic colorless crystalline organic acid found in oxalis and other plants; used as a bleach and rust remover and in chemical analysis
- oxyacid, oxygen acid - any acid that contains oxygen
- pantothen, pantothenic acid - 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
- paba, para aminobenzoic acid - a metabolic acid found in yeast and liver cells; used to make dyes and drugs and sun blockers
- pectic acid - a complex acid that occurs in ripe fruit and some vegetables
- permanganic acid - an unstable purple acid (HMnO4) known only in solution or of permanganate salts
- phthalic acid - a colorless acid used to make dyes and perfumes
- picric acid - a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions
- pyruvic acid - a colorless acid formed as an important intermediate in metabolism or fermentation
- dichromic acid - the hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts
- silicic acid - a jellylike substance (hydrated silica)
- sulfanilic acid, sulphanilic acid - a crystalline acid made from aniline and used as a dye
- thiocyanic acid - an unstable acid that can be obtained by distilling a thiocyanate salt
- toluic acid - an isomeric acid derived from toluene
- triphosphoric acid - an acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters
- undecylenic acid - an acid that is a component of perspiration
- uric acid - a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine
- oil of vitriol, sulfuric acid, sulphuric acid, vitriol - (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
- xanthic acid - any of a class of unstable organic acids containing sulphur
Street name for lysergic acid diethylamide (synset 102678511)
is a type of: lsd, lysergic acid diethylamide - a powerful hallucinogenic drug manufactured from lysergic acid

same as: back breaker, battery-acid, dose, dot, elvis, loony toons, lucy in the sky with diamonds, pane, superman, window pane, zen

Adjective

Harsh or corrosive in tone (synset 301807340)
"an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

similar to: unpleasant - offensive or disagreeable; causing discomfort or unhappiness

same as: acerb, acerbic, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic
Being sour to the taste (synset 302377903)
similar to: sour - having a sharp biting taste

same as: acidic, acidulent, acidulous
Having the characteristics of an acid (synset 300025583)
"an acid reaction"

referred to in: chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

similar to: acidic - being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)

acid

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