Definition of Acidic

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

Definition of Acidic

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

Definition of Acidic

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:

Definition of Acidic

1. sour [adj] - See also: sour

Medical Definition of Acidic

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

Acidic Pictures

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Lexicographical Neighbors of Acidic

acidic (current term)
acidic amino acid
acidic anhydride
acidic dyes
acidic hydrogen
acidified serum test

Literary usage of Acidic

Below you will find example usage of this term as found in modern and/or classical literature:

1. Keeping It Clean: Removing Exterior Dirt, Paint, Stains and Graffiti from by Anne E. Grimmer (1992)
"acidic or alkaline cleaners are used for regular cleaning or dirt removal; ... Pre-wetting masonry surfaces is generally recommended for both acidic and ..."

2. A Course of Instruction in the Qualitative Chemical Analysis of Inorganic by Arthur Amos Noyes (1920)
"DETECTION OF THE acidic CONSTITUENTS GENERAL DISCUSSION THE acidic constituents whose detection is here provided for are: Arsenate Chromate Nitrate Arsenite ..."

3. A New Era in Chemistry: Some of the More Important Developments in General by Harry Clary Jones (1913)
"This leads us to raise the question, what is meant by "acidic" ? It is, in general, true that the hydrogen of acids can be replaced, as it is said, ..."

4. Journal of the American Chemical Society by American Chemical Society (1914)
"This was to be expected, since there the components were one acidic and one basic, while here both are primarily acidic. ..."

5. Report of the Annual Meeting (1905)
"... the acidic radical occupying the apex thus : Considering this arrangement as originally suggested we should expect It is evident, however, ..."

6. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... volcanic and acidic volcanic) have •played part m almost every formation in New Zealand, ... acidic product« of volcanic action, and are due to the ..."

7. Outlines of Qualitative Chemical Analysis by Frank Austin Gooch, Philip Embury Browning (1906)
"THE acidic Analysis is that part of Qualitative Analysis which treats of the identification of the Negative or acidic Ions. ..."

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