El`e*men"ta*ry (?), a.
[L. elementarius: cf. F.
élémentaire.]
1.
Having only one principle or constituent part; consisting of a single element; simple;
uncompounded; as, an elementary substance.
2.
Pertaining to, or treating of, the elements, rudiments, or first principles of anything; initial; rudimental; introductory; as, an elementary treatise.
3.
Pertaining to one of the four
elements, air, water, earth, fire. "Some luminous and fiery impressions in the elementary region."
J. Spencer.