basic: значение и определения

Of, relating to, or forming a base; fundamental: "Basic changes in public opinion often occur because of shifts in concerns and priorities” ( Atlantic).

Of, being, or serving as a starting point or basis: a basic course in Russian; a set of basic woodworking tools.

Chemistry Of or relating to a base.

Chemistry Containing a base, especially in excess of acid.

Chemistry Alkaline.

Geology Containing little silica, as igneous rocks.

An essential, fundamental element or entity: the basics of math.

Basic training.