ACIDIC
acidic
(adjective) being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)
acidic, acid, acidulent, acidulous
(adjective) being sour to the taste
Source: WordNet® 3.1
Etymology
Adjective
acidic (comparative more acidic, superlative most acidic)
(chemistry) Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
(mineralogy) Containing a high percentage of silica; opposed to basic.
Of or relating to acid; having the character of an acid.
Synonyms
• acid
Antonyms
• (having pH less than 7): basic
Source: Wiktionary
A*cid"ic, a. (Min.)
Definition: Containing a high percentage of silica; -- opposed to basic. an
acidic solution.
Source: Webster’s Unabridged Dictionary 1913 Edition