Subscript ::
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..