Acidity(n.) The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice.
Thesaurus Entries
acerbity, acescency, acid, acidness, acidulousness, acridity, acrimony, agent, alkali, alkalinity, alloisomer, animosity, anion, antacid, asperity, astringency, atom, base, bile, biochemical, bite, bitingness, bitter resentment, bitterness, bitterness of spirit, cation, causticity, causticness, chemical, chemical element, choler, chromoisomer, compound, copolymer, corrosiveness, cuttingness, dimer, dryness, edge, element, fierceness, gall, gnashing of teeth, greenness, grip, hard feelings, harshness, heartburning, heavy chemicals, high polymer, homopolymer, hydracid, hyperacidity, incisiveness, inorganic chemical, ion, isomer, keenness, macromolecule, metamer, molecule, monomer, mordacity, mordancy, neutralizer, nonacid, organic chemical, oxyacid, piercingness, piquancy, poignancy, point, polymer, pseudoisomer, pungency, radical, rancor, rankling, reagent, rigor, roughness, severity, sharpness, slow burn, soreness, sour, sourishness, sourness, spleen, stabbingness, sting, stridency, stringency, subacidity, sulfacid, tartishness, tartness, teeth, trenchancy, trimer, unripeness, unsweetness, vehemence, verjuice, vinegariness, vinegarishness, violence, virulence