elemental
el.e.men.tal \.el-*-'ment-*l\ \-*l-e-\ aj 1a: of, relating to, or being an element; specif : existing as an uncombined chemical element 1b: of, relating to, or being the ultimate constituent 1c: ELEMENTARY 1d: INTEGRAL, ESSENTIAL 2: of, relating to, or resembling a great force of nature - elemental n