acidic

  1. Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
  2. Containing a high percentage of silica-bearing minerals; opposed to basic.
  3. Of or relating to acid; having the character of an acid.

Frequency

34k
Pronounced as (IPA)
/əˈsɪdɪk/
Etymology

From acid + -ic. Doublet of acidy.

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