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Definition of basic:

  1. Apparently alkaline, as certain normal salts which exhibit alkaline reactions with test paper.
  2. Having the base in excess, or the amount of the base atomically greater than that of the acid, or exceeding in proportion that of the related neutral salt.
  3. Relating to a base; performing the office of a base in a salt.
  4. Said of crystalline rocks which contain a relatively low percentage of silica, as basalt.


radical, central, raw material, beginning, original, rudimental, basal, part, essential, start, first, rudimentary, prefatorial, ultimate, alkalic, introductory, primary, base, necessary, staple fibre, staple, sanctioned, alkaline, prefatory, elementary, root, staple fiber, surface, be, part and parcel, underlying, vital, grassroots, canonical, constitutional, standard, canonic, integral, element, primitive, constitutive, rudiment, fundamental.

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