[ pol-ee ]
/ ˈpɒl i /
noun, plural pol·ies.
Informal. polyester (def. 2):a blend of poly and cotton.
a fabric or garment made of polyester.
made of or containing polyester: a poly swimsuit.
THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
Origin of poly1
Definition for poly (2 of 4)
[ pol-ee ]
/ ˈpɒl i /
noting or relating to polyamory; polyamorous: They’re in a poly relationship.
identifying as polyamorous: They’re not monogamous, they’re poly.
Origin of poly2
First recorded in 1990–95; shortening of polyamorous
Definition for poly (3 of 4)
a combining form with the meanings “much, many” and, in chemistry, “polymeric,” used in the formation of compound words: polyandrous; polyculture; polyethylene.
Origin of poly-
<Greek, combining form representing polýs; akin to Old English fela many. See plus
Definition for poly (4 of 4)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for poly (1 of 2)
/ (ˈpɒlɪ) /
noun plural polys
informal short for polytechnic
British Dictionary definitions for poly (2 of 2)
more than one; many or muchpolyhedron
having an excessive or abnormal number or amountpolycythaemia
Word Origin for poly-
from Greek polus much, many; related to Old English fela many
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for poly
More than one; many; much:polyatomic.
More than usual; excessive; abnormal:polydipsia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.