acid
Definition of acid
1 : a sour substance; specifically : any of various typically water-soluble and sour compounds that in solution are capable of reacting with a base (see 1base 7a) to form a salt, redden litmus, and have a pH less than 7, that are hydrogen-containing molecules or ions able to give up a proton to a base, or that are substances able to accept an unshared pair of electrons from a base
2 : something incisive, biting, or sarcastic a social satire dripping with acid
3 : lsd
acidy
\ˈa-sə-dē\ adjectiveIndulge Your Inner Word Nerd
Examples of acid in a Sentence
He washes his windows with an acid solution of vinegar and water.
with her acid personality, my aunt could be relied upon to bring some much-needed balance to the holiday gush
Origin and Etymology of acid
see 2acid
First Known Use: 1650
Definition of acid
1a : sour, sharp, or biting to the taste an acid flavorb : sharp, biting, or sour in manner, disposition, or nature an acid individual an acid personalityc : sharply clear, discerning, or pointed an acid wit acid criticismd : piercingly intense and often jarring acid yellow
2a : of, relating to, or being an acid; also : having the reactions or characteristics of an acid acid soil an acid solutionb of salts and esters : derived by partial exchange of replaceable hydrogen acid sodium carbonate NaHCO3c : containing or involving the use of an acid (as in manufacture) an acid bathd : marked by or resulting from an abnormally high concentration of acid acid indigestion
3 : relating to or made by a process in which the furnace is lined with acidic material and an acidic slag is used acid steel
4 : rich in silica acid rocks
acidly
adverbacidness
nounExamples of acid in a Sentence
the acids in your stomach
the kinds of acid found in your stomach
Origin and Etymology of acid
French or Latin; French acide, from Latin acidus, from acēre to be sour — more at acet-
First Known Use: 1649
ACID Defined for English Language Learners
acid
Definition of acid for English Language Learners
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: of, relating to, or having the qualities of an acid
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: sharp, strong, and critical in tone
acid
playDefinition of acid for English Language Learners
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chemistry : a chemical with a sour taste that forms a salt when mixed with a base
ACID Defined for Kids
Definition of acid for Students
1 : having a taste that is sour, bitter, or stinging
2 : harsh or critical in tone acid remarks
3 : of, relating to, or like an acid an acid solution
acidly
adverb spoke acidlyDefinition of acid for Students
: a chemical compound that tastes sour and forms a water solution which turns blue litmus paper red
Medical Dictionary
Medical Definition of acid
1: sour, sharp, or biting to the taste
2a: of, relating to, or being an acid; also : having the reactions or characteristics of an acid an acid solutionbof salts and esters : derived by partial exchange of replaceable hydrogen acid sodium carbonate NaHCO3c: marked by or resulting from an abnormally high concentration of acid acid indigestion—not used technically
acid
Medical Definition of acid
1: 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, that redden litmus, that have a pH less than 7, and that are hydrogen-containing molecules or ions able to give up a proton to a base or are substances able to accept an unshared pair of electrons from a base
2: lsd
Learn More about acid
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See words that rhyme with acid Thesaurus: All synonyms and antonyms for acid Spanish Central: Translation of acid Nglish: Translation of acid for Spanish speakers Britannica English: Translation of acid for Arabic speakers Britannica.com: Encyclopedia article about acid
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