Acidic: Definition with Acidic Pictures and Photos

1. Adjective. Being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7).

Category relationships: Chemical Science, Chemistry
Similar to: Acid, Acid-forming
Antonyms: Alkaline, Amphoteric

2. Adjective. Being sour to the taste.

Exact synonyms: Acid, Acidulent, Acidulous
Similar to: Sour
Derivative terms: Acidulousness

1. a. Containing a high percentage of silica; -- opposed to basic.

1. Adjective. (chemistry) Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red. ¹

2. Adjective. (minerology) Containing a high percentage of silica; -- opposed to basic. ¹

3. Adjective. Of or relating to acid; having the character of an acid. ¹

¹ Source: wiktionary.com

1. sour [adj] - See also: sour

1. Containing a high percentage of silica; opposed to basic. Source: Websters Dictionary (01 Mar 1998)

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