Word Study
poly-
CIDE DICTIONARY
A combining form or prefix from Gr. poly`s , many; as, polygon, a figure of many angles; polyatomic, having many atoms; polychord, polyconic. [1913 Webster]
OXFORD DICTIONARY
poly-, comb. form denoting many or much.
poly-, comb. form Chem. polymerized (polyunsaturated).
Etymology
POLYMER
For further exploring for "poly-" in Webster Dictionary Online