acid

I

(New American Roget's College Thesaurus)

adj. sour, bitter, tart, vinegary; acrimonious, cutting, caustic. See sourness, discourtesy. Ant., sweet, bland; basic.

II

(Roget's IV) modif.

1. [Having the characteristics of an acid]

Syn. sharp, tart, biting; see sour 1 .

2. [Having the properties of an acid]

Syn. corrosive, erosive, eroding, corroding, oxidizing, rusting, eating away, biting, disinfectant, disintegrative, dissolvent, bleaching, acidic, anti-alkaline.

3. [Cutting or sarcastic]

Syn. biting, sharp, barbed, astringent; see sarcastic .

See Synonym Study at sour . n.

1. [A sour substance]

Syn. acidulous compound, corrosive, Lewis acid, hydrogen-ion concentration.

2. [*A drug]

Syn. LSD, D-lysergic acid diethylamide, hallucinogen, psychedelic; see drug 2 .

Common acids include: vinegar, acetic acid, verjuice, lemon juice; citric, ascorbic, lactic, malic, formic, tannic, tartaric, nicotinic, boric, acetic, sulfuric, muriatic, hydrochloric, hydrosulfurous, hydrobromic, hydrofluoric, hydrocyanic, hydroferrocyanic, hydriodic, hyponitrous, sulfonic, phosphoric, carbolic, nitric, benzoic, amino, monobasic, dibasic, polybasic acid, aqua regia (Latin).

III

(Roget's 3 Superthesaurus)

I

n.

corrosive, astringent, chemical.

ANT.: alkali

WORD FIND

• aspirin: acetylsalicylic acid

• corrosive used in explosives: sulfuric acid, oil of vitriol

• mild antiseptic: boric acid

• milk-derived: lactic acid

• odoriferous corrosive poison used in explosives, antiseptics: phenol

• protein-forming: amino acids

• stomach acid: hydrochloric acid

• urine-derived: uric acid

• vinegar ingredient: acetic acid

• vitamin C: ascorbic acid

• white poison in insecticides: arsenic acid

II

n.

Sl. LSD, *blotter, *blue cheer, *blue heaven, *California sunshine, *D, *dot, *electric Kool Aid, *flash, *green dragon, *orange sunshine, *purple haze, *travel agent, *wedding bells, *yellows. see drug, narcotic

III

a.

1. of taste sour, bitter, tart, astringent, harsh, sharp, biting, acerbic, vinegary.

2. ill-tempered or sharp-tongued sarcastic, caustic, *saber-tongued, venomous, nasty, cutting, vitriolic, biting, stinging, snide, sardonic, acerbic, scathing.

ANT.: 1. sweet, sugary, honey. 2. good-humored, sweet, kind, warm, flattering

IV

(Roget's Thesaurus II) adjective 1. Having a taste characteristic of that produced by acids: acerb, acerbic, acetous, acidulous, dry, sour, tangy, tart1. See TASTE. 2. So sharp as to cause mental pain: acerbic, acidic, acrid, astringent, biting, caustic, corrosive, cutting, mordacious, mordant, pungent, scathing, sharp, slashing, stinging, trenchant, truculent, vitriolic. See ATTACK, RESPECT.