# polycaprolactam

> English word · Noun

## Definitions
1. A polymer formed by ring-opening polymerization, originally developed in the 1950s as an alternative to a similar patented polymer.

## Etymology
From poly- + caprolactam.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polycaprolactam