acids
/ˈasɪd/
noun
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.
trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients
adjective
Containing acid or having the properties of an acid; having a pH of less than 7.
acid soils
caustic,corroding,eroding,erosive,abrasive,biting,mordant,burning,stinging