n.
Function: combining form
Etymology: Greek, from polys; akin to Old High German filu many, Sanskrit puru, Latin plenus full ― more at FULL
1 : many : several : much : MULTI- < poly chotomous> < poly gyny>
2 a : containing an indefinite number more than one of a (specified) substance < poly sulfide> b : polymeric : polymer of a (specified) monomer < poly ethylene> < poly adenylic acid>