| 单词 | polyamide |
| 释义 | polyamide[ pol-ee-am-ahyd, -id ] / ˌpɒl iˈæm aɪd, -ɪd / noun Chemistry.a polymer in which the monomer units are linked together by the amide group –CONH–. Origin of polyamideFirst recorded in 1925–30; poly- + amide Words nearby polyamidepolyadenopathy, polyadenylic acid, polyadic, polyalcohol, polyalphabetic substitution, polyamide, polyamine, polyamorous, polyamory, polyandric, polyandrist Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for polyamidepolyamide / (ˌpɒlɪˈæmaɪd, -mɪd) / nounany 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 polyamidepolyamide [ pŏl′ē-ăm′īd′ ] 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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