Acid Word Meaning

early 17th century (in the sense ‘sour-tasting’): from Latin acidus, from acere ‘be sour’

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.

substance with chemical properties including turning litmus red

• trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients
• traces of acid

a molecule or other species which can donate a proton or accept an electron pair in reactions.

molecule or other species which can donate proton or accept electron pair in reactions

the drug LSD

drug LSD

• she didn't have a clue the sweet had acid in it
• a bad acid trip

containing acid or having the properties of an acid; having a pH of less than 7.

containing acid or having properties of acid

• acid soils

sharp-tasting or sour

sharp-tasting or sour

• acid fruit

(of rock, especially lava) containing a relatively high proportion of silica

of rock containing relatively high proportion of silica

• the magma may start off fairly basic and end up at the close of the eruption much more acid