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caprolactam

[kap-roh-lak-tam]
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noun
  1. a white, water-soluble compound, C6H11NO, used to produce a type of nylon.
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Origin of caprolactam

First recorded in 1940–45; capro(ic acid) + lactam
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for caprolactam

caprolactam

noun
  1. a white crystalline cyclic imine used in the manufacture of nylon. Formula: C 5 H 10 NHCO
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Word Origin

C20: from capro (ic acid) + lactam
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