Subscript

• POS: Adjective, Noun
• HYPHEN: sub=script

CIDE DICTIONARY

Subscript, a. [L. subscriptus, p. p. See Subscribe.].

 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.  [1913 Webster]

Subscript, n. 

 Anything written below.  Bentley.  [1913 Webster]

OXFORD DICTIONARY

Subscript, adj. & n.
--adj. written or printed below the line, esp. Math. (of a symbol) written below and to the right of another symbol.
--n. a subscript number or symbol.

Etymology

L subscriptus (as SUBSCRIBE)

THESAURUS

Subscript

PS, Parthian shot, addendum, afterthought, appendix, back matter, chorus, coda, codicil, colophon, conclusion, consequence, continuance, continuation, double take, dying words, envoi, epilogue, follow-through, follow-up, last words, parting shot, peroration, postface, postfix, postlude, postscript, refrain, second thought, sequel, sequela, sequelae, sequelant, sequent, sequitur, suffix, supplement, swan song, tag