Source : Webster's Revised Unabridged Dictionary (1913)

Elemental \El`e*men"tal\ ([e^]l`[-e]*m[e^]n"tal), a.
   1. Pertaining to the elements, first principles, and primary
      ingredients, or to the four supposed elements of the
      material world; as, elemental air. ``Elemental strife.''
      --Pope.

   2. Pertaining to rudiments or first principles; rudimentary;
      elementary. ``The elemental rules of erudition.''
      --Cawthorn.

Source : WordNet®

elemental
     adj 1: being or resembling a force of nature; "elemental violence"
     2: being the ultimate or elemental constituents of anything;
        "the elemental stuff of...out of which the many forms of
        life have been molded"- Jack London; "the ultimate
        ingredients of matter"; "his proposal is elegantly simple"
        [syn: {ultimate}]
     3: relating to or being an element; "elemental sulphur"
     4: relating to severe atmospheric conditions; "a race against
        hail or cold rains or some other elemental catastrophe"-
        J.K.Howard