- more than one; many or much: polyhedron
- having an excessive or abnormal number or amount
WordReference Random House Learner's Dictionary of American English © 2020
poly- comes from Greek, where it has the meaning "much, many'':polyandry (= the custom of having many husbands);polyglot (= speaking many languages).
Collins Concise English Dictionary © HarperCollins Publishers::
WordReference Random House Unabridged Dictionary of American English © 2020
poly- combining form
pol•y (pol′ē),USA pronunciation n., pl. pol•ies, adj.
a combining form with the meanings "much, many'' and, in chemistry, "polymeric,'' used in the formation of compound words:polyandrous;polyculture;polyethylene.
- Informal Termspolyester (def. 2):a blend of poly and cotton.
- Clothinga fabric or garment made of polyester.
- Textilesmade of or containing polyester:a poly swimsuit.
- by shortening
- Greek, combining form representing polýs; akin to Old English fela many. See plus
'poly-' also found in these entries:
Drayton - Polyhymnia - Polynesia - chubby - duopoly - monopolylogue - monotechnic - monotheism - olestra - oligopoly - pleo- - plus - poli sci - poll - poly - poly bag - polyacid - polyacrylamide - polyacrylic acid - polyacrylonitrile - polyadelphous - polyadenylic acid - polyalcohol - polyalphabetic substitution - polyamide - polyamine - polyandrous - polyandry - polyangular - polyanthus - polyarchy - polyarteritis - polyarthritis - polyarticular - polyatomic - polybasic - polybasite - polybrominated biphenyl - polybutadiene - polybutylene - polycarbonate - polycarpellary - polycarpic - polycentric - polychaete - polychasium - polychlorinated biphenyl - polychromatic - polychrome - polycistronic