acid
noun
[ ˈasɪd ]
• 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"
• a molecule or other species which can donate a proton or accept an electron pair in reactions.
• the drug LSD.
• "she didn't have a clue the sweet had acid in it"
acid
adjective
• containing acid or having the properties of an acid; having a pH of less than 7.
• "acid soils"
• sharp-tasting or sour.
• "acid fruit"
Similar:
acidic,
sour,
tart,
bitter,
unsweetened,
sharp,
biting,
acrid,
pungent,
acerbic,
vinegary,
vinegarish,
acetic,
acetous,
acidulous,
acidulated,
• (of rock, especially lava) containing a relatively high proportion of silica.
• "the magma may start off fairly basic and end up at the close of the eruption much more acid"
Origin:
early 17th century (in the sense ‘sour-tasting’): from Latin acidus, from acere ‘be sour’.
