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polyamide

[ pol-ee-am-ahyd, -id ]
/ ˌpɒl iˈæm aɪd, -ɪd /
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noun Chemistry.
a polymer in which the monomer units are linked together by the amide group –CONH–.
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Origin of polyamide

First recorded in 1925–30; poly- + amide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use polyamide in a sentence

British Dictionary definitions for polyamide

polyamide
/ (ˌpɒlɪˈæmaɪd, -mɪd) /

noun
any one of a class of synthetic polymeric materials containing recurring -CONH- groupsSee also nylon
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

Scientific definitions for polyamide

polyamide
[ pŏl′ē-ămīd′ ]

A polymer produced by the reaction of the amino group (NH2) from one molecule with the carboxylic acid group (CO2H) from another molecule. The resulting structure is similar to that of a protein. Silk is a naturally occurring polyamide, and nylon is a synthetic polyamide.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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