| Front | acid |ˈasɪd| |
|---|---|
| Back | noun 1 a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals typically, a corrosive or sour-tasting liquid of this kind. Often contrasted with alkali and base1. 2 Chemistry a molecule or other species which can donate a proton or accept an electron pair in reactions. 3 the drug LSD. adjective 1 containing acid or having the properties of an acid having a pH of less than 7: Often contrasted with alkaline or basic. 2 sharp-tasting or sour: 3 Geology (of rock, especially lava) containing a relatively high proportion of silica. DERIVATIVES acidy adjective |
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