SUBSCRIPT a.
Written below or underneath; as, iota subscript. (See under Iota.) Specifically (Math.), said of marks, figures, or letters (suffixes), written below and usually to the right of other letters to distinguish them; as, a, n, 2, in the symbols Xa, An, Y2. See Suffix, n., 2, and Subindex.
SURVEYING n.
directions of the bounding lines, the contour of the surface, etc., with an accurate delineation of the whole on paper; the act or occupation of making surveys. Geodetic surveying, geodesy. -- Maritime, or Nautical, surveying, that branch of surveying which determines the forms of coasts and harbors, the entrances of…