acidic /əˈsɪdɪk/



1. having the properties of an acid, or containing acid; having a pH below 7.

a cocktail of acidic pollutants.
Often contrasted with alkaline and basic.
2. sharp-tasting or sour

acidic wine.
3. (of a person’s remarks or tone) bitter or cutting

the occasional acidic comment.
4. (of a colour) strikingly intense or bright

an acidic yellow.
[Geology] (of rock, especially lava) relatively rich in silica.

acidic granite batholiths.
[Metallurgy] relating to or denoting steel-making processes involving silica-rich refractories and slags.

acidic slag.

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