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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

poly-

a combining form with the meanings “much, many” and, in chemistry, “polymeric,” used in the formation of compound words: polyandrous; polyculture; polyethylene.

[Origin: < Gk, comb. form repr. polýs; akin to OE fela many. See plus

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
poly-

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American Heritage Dictionary - Cite This Source - Share This

poly-
pref.

More than one; many; much: polyatomic.
More than usual; excessive; abnormal: polydipsia.
Polymer; polymeric: polyethylene.

[Greek polu-, from polus, much, many; see pelə-¹ in Indo-European roots.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
poly-

comb. form meaning "many, much," from Gk. poly-, combining form of polys "much" (plural polloi); cognate with L. plus, from PIE base *ple- (cf. Skt. purvi "much," prayah "mostly;" Avestan perena-, O.Pers. paru "much;" Gk. plethos "people, multitude, great number," pleres "full," polys "much, plenty," ploutos "wealth," plethein "be full;" Lith. pilus "full, abundant;" O.C.S. plunu; Goth. filu "much," O.N. fjöl-, O.E. fela, feola "much, many;" O.E. folgian; O.Ir. lan, Welsh llawn "full;" O.Ir. il, Welsh elu "much"), probably related to base *pele- "to spread."

The American Heritage Science Dictionary - Cite This Source - Share This

poly-
A prefix meaning "many," as in polygon, a figure having many sides. In chemistry, it is used to form the names of polymers by being attached to the name of the base unit of which the polymer is made, as in polysaccharide, a polymer made of repeating simple sugars (monosaccharides).

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Poly-

Ple"o*nasm\,, n. [L. pleonasmus, Gr. ?, fr. ? to be more than enough, to abound, fr.?, neut. of ?, more, compar. of ? much. See Full, a., and cf. Poly-, Plus.] (Rhet.) Redundancy of language in speaking or writing; the use of more words than are necessary to express the idea; as, I saw it with my own eyes.

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POLY-

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