EXAMPLES FROM THE WEB FOR ACIDIC
When a fragmental rock is composed chiefly of rocks belonging to the acidic group, we say it is felspathic.
Its viscosity is greatly affected by the addition or presence of small quantities of acid or alkali or of acidic or basic salts.
The fruit is fleshy and acidic and consumed fresh or pickled: Averrhoa carambola.
See also the discussion by Remsen on acidic and basic halides, Am.
The two classes are alike in chemical composition and may be divided into acidic and basic groups.
Granite is an acidic rock corresponding to rhyolite in chemical composition.