acid NOUN 1) a substance with chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals. 2) informal the drug LSD.
ADJECTIVE 1) having the properties of an acid; having a pH of less than 7. 2) sharp-tasting or sour. 3) (of a remark) bitter or cutting.
DERIVATIVES acidity noun acidly adverb acidy adjective.
ORIGIN Latin acidus, from acere 'be sour' .
acidity NOUN 1) the level of acid in something. 2) bitterness or sharpness in a person's remarks or tone.

English terms dictionary. 2015.

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  • Acidity — A*cid i*ty, n. [L. acidites, fr. acidus: cf. F. acidit[ e]. See {Acid}.] The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice. [1913 Webster] …   The Collaborative International Dictionary of English

  • acidity — (n.) 1610s, from Fr. acidité (26c.) or directly from L. aciditatem (nom. aciditas), noun of quality from L. acidus (see ACID (Cf. acid) (adj.)) …   Etymology dictionary

  • acidity — [n] bitterness acerbity, acridness, astringency, causticity, pungency, sourness, tartness; concept 614 …   New thesaurus

  • acidity — [ə sid′ə tē] n. pl. acidities [Fr acidité < L aciditas < acidus: see ACID] 1. acid quality or condition; sourness 2. the degree of this 3. hyperacidity …   English World dictionary

  • acidity — a|cid|i|ty [ ə sıdəti ] noun uncount 1. ) the quality of being acid a ) the amount of acid in a substance, for example food, water, or dirt: This Australian Chardonnay is elegantly fruity with good acidity. b ) a medical condition in which the… …   Usage of the words and phrases in modern English

  • acidity — UK [əˈsɪdətɪ] / US noun [uncountable] 1) the quality of being acid a) the amount of acid in a substance, for example food, water, or soil This Australian Chardonnay is fruity with good acidity. b) a medical condition in which the liquid in the… …   English dictionary

  • acidity — noun /əˈsɪdɪti/ a) The quality or state of being acid Empty stomachs lead to acidity and leave a sour taste in the mouth. b) The quality of sour; sourness; tartness; sharpness to the taste, as in the acidity of lemon juice. Ant …   Wiktionary

  • acidity — 1. The state of being acid. 2. The acid content of a fluid. total a. (a) an obsolete expression of gastric a., the a. being determined by titration with sodium hydroxide, using …   Medical dictionary

  • acidity — alaus ar misos rūgštingumas statusas Aprobuotas sritis alkoholis apibrėžtis Alaus ir alaus kokteilių apibūdinimo, gamybos ir prekinio pateikimo techniniame reglamente nurodytas bendrasis misos ar alaus titruojamų rūgščių ir rūgščiųjų druskų… …   Lithuanian dictionary (lietuvių žodynas)

  • acidity — rūgštingumas statusas T sritis chemija apibrėžtis Aktyvios rūgšties kiekis. atitikmenys: angl. acidity rus. кислотность …   Chemijos terminų aiškinamasis žodynas

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