A chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind
a slightly acid flavor
(Usually attributive) designating a process, property, etc., involving or dependent on the reaction between an acid and a base.
Chemistry hydrogen chloride gas (now historical).
An act or the process of immersing or washing something (in early medical use occasionally a person) in a container of acid or an acidic solution, typically as part of a manufacturing process; (also) the container or liquid used for this purpose; also figurative and in figurative context.
An explosive device containing acid; specifically a simple home-made one in which the explosion is that of an acid-filled container under the pressure of gas evolved during an internal chemical reaction.
A kind of boiled sweet with a sharp taste
A dye which is applied in an acidic solution, the chromophore typically being an anionic species.
Denoting bacteria that cannot be decolorized by an acid after staining, which is characteristic of the mycobacteria that cause tuberculosis and leprosy
Not containing any acid; (of paper) having neutral or slightly alkaline pH and thus being more resistant to deterioration.
A kind of popular dance music incorporating elements of jazz, funk, soul, and hip-hop
Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitrogen oxides, which combine with atmospheric water to form acids
A type of rock music, mainly of the late 1960s, associated with or inspired by the use of hallucinogenic drugs
A salt formed by incomplete replacement of the hydrogen of an acid, e.g., potassium hydrogen sulfate (KHSO4)
A conclusive test of the success or value of something
A trip induced by acid.
A compound whose molecule contains both a carboxyl group (—COOH) and a ketone group (—CO—)
Denoting a secondary cell or battery in which the electrodes are plates or grids of lead (or lead alloy) immersed in dilute sulfuric acid. The anode is coated with lead dioxide and the cathode with spongy lead
The least hydrated of a series of oxoacids formed from the same anhydride.
Not acidic; not having the properties of an acid; = non-acidic.
A fatty acid.
An almost insoluble compound that is a breakdown product of nitrogenous metabolism. It is the main excretory product in birds, reptiles, and insects
The acid that gives vinegar its characteristic taste. The pure acid is a colorless viscous liquid or glassy solid
An acid dye.
Characterized by the taking of acid; that takes acid.
A person who takes acid, especially habitually.
Under, or as if under, the influence of acid; affected by the long-term use of acid.
A kind of popular synthesized dance music with a fast repetitive beat, popular in the 1980s and associated with the taking of drugs such as Ecstasy
(Of a plant, bacterium, etc.) thriving in acid conditions.
The thin, slightly acidic layer of sebum and other secretions present on the surface of the skin and having mild antimicrobial properties.
Impervious to acid; capable of resisting attack or degradation by acid.
A condition in which acidic gastric fluid is regurgitated into the esophagus, causing heartburn
That tastes both sharp (or sour) and sweet.
= acidulated tablet.
A sharp or severe manner of speaking, especially one characterized by cutting or acerbic remarks.
A quantity expressing the free acid content of a substance, especially an oil or fat.
A crystalline fatty acid obtained from natural fats and used especially in the manufacture of nylon
A gas in the air which produces an acid when dissolved in water, later identified with carbon dioxide.
A simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group
= arabinic acid.
A weakly acid crystalline compound derived from borax, used as a mild antiseptic and in the manufacture of heat-resistant glass and enamels
A strongly oxidizing acid known only in aqueous solutions
A compound produced by oxidation of cholesterol. It is a steroidal fatty acid and its salts are present in bile
A sharp-tasting crystalline acid present in the juice of lemons and other sour fruits. It is made commercially by the fermentation of sugar and used as a flavoring and setting agent
A colorless, poisonous, volatile, strongly acidic liquid
A solid compound present in mustard and rape seeds
A carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils
Any of a number of (sometimes hypothetical) oxyacids containing iron in a higher oxidation state; a solution containing such an acid, used especially to etch or dissolve copper.
= hydrofluoric acid (now chiefly historical).