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poly-(word root) many
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
1. More than one; many; much: polyatomic.
2. More than usual; excessive; abnormal: polydipsia.
3. Polymer; polymeric: polyethylene.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. more than one; many or much: polyhedron.
2. having an excessive or abnormal number or amount: polycythaemia.
[from Greek polus much, many; related to Old English fela many]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. pol•ies.
2. a garment made of polyester.
a combining form with the meanings “much, many” and, in the names of chemical compounds, “polymeric”: polyandry; polyethylene.
[< Greek, comb. form representing polýs; akin to Old English fela many. See plus]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A prefix meaning "many," as in polygon, a figure having many sides.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
prefix meaning many. Used in the naming of chemical compounds.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited