acidic

Something that's acidic has a sour or sharp taste. Lemonade, especially if it's light on the sugar, tastes very acidic.

Citrus fruits have a typically acidic flavor, and they qualify as acidic in the scientific definition of the word as well. In chemistry, something that's acidic has a low pH, as opposed to a base, which has a higher pH. Various kinds of acids and vinegar are also acidic. The word comes from acid, which originally meant "of the taste of vinegar," from the Latin word acidus, "sour or sharp."

PRIMARY MEANINGS OF: acidic

1
adj
being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)
2
adj
being sour to the taste
FULL DEFINITIONS OF: acidic
1

adj being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)

Synonyms
acid
having the characteristics of an acid
acid-forming
yielding an acid in aqueous solution
Antonyms:
alkalic, alkaline
relating to or containing an alkali; having a pH greater than 7
amphiprotic, amphoteric
having characteristics of both an acid and a base and capable of reacting as either
alcalescent, alkalescent
tending to become alkaline; slightly alkaline
basic
of or denoting or of the nature of or containing a base
base-forming
yielding a base in aqueous solution
saltlike
resembling a compound formed by replacing hydrogen in an acid by a metal
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2

adj being sour to the taste

Synonyms:
acid, acidulent, acidulous
sour
having a sharp biting taste
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