Dec 12, 2025 · Acid, any substance that in water solution tastes sour, changes the color of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, …

The meaning of ACID is a sour substance; specifically : any of various typically water-soluble and sour compounds that in solution are capable of reacting with a base to form a salt, redden litmus, and …

ACID definition: a compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper, containing hydrogen that can be replaced by a metal or an …

Definition of acid noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jul 30, 2025 · Vinegar is a dilute solution of acetic acid, used in cooking, cleaning, and food preservation. Car batteries contain sulfuric acid, a strong acid for electrical function. The human …

ACID meaning: 1. any of various usually liquid substances that can react with and sometimes dissolve other…. Learn more.

Define acid. acid synonyms, acid pronunciation, acid translation, English dictionary definition of acid. n. 1. Chemistry a. Any of a class of substances whose aqueous solutions are characterized by a sour …

Hydrochloric acid (in beaker) reacting with ammonia fumes to produce ammonium chloride (white smoke). Acids can be dangerous: The holes in the paper were made by a solution with 98% sulfuric …

Feb 14, 2023 · By definition, an acid donates hydrogen ions or protons or accepts an electron pair. In chemistry, an acid is a chemical species that donates hydrogen ions or protons or accepts an …

An acid (often represented by the generic formula HA) is any substance that in solution tastes sour, produces a prickling or burning feeling on contact with the skin, changes the color of indicators (e.g. …