of or forming the base or essence; fundamental
simple; elementary
constituting or serving as the minimum basis or starting point
simple; without embellishment; of a low but acceptable standard
of, containing, or having the character of a chemical base
having an alkaline reaction; being an alkali
said of rock: containing relatively little silica
relating to or made by a steelmaking process in which the furnace is lined with material containing relatively little silica
basically adv