combining form
Etymology: Middle English, from Latin, from Greek, from polys; akin to Latin plenus full — more at full
1.
a. : many : several : diverse : much : multi- , pluri-
poly tonality
poly centric
poly cotyledon
poly cross
poly arthritis
b. : excessive : abnormal : hyper-
poly galactia
poly chromia
poly dactylous
2. chemistry
a. : containing more than one and especially more than two or three units of (a specified substance)
poly atomic
poly sulfide
— compare olig-
b. : isopoly-
poly molybdate
c. : polymerized : polymeric : polymer of (a specified monomer)
poly ethylene