made of such a filament: a monofilament fishing line.
Origin of monofilament
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
synthetic thread or yarn composed of a single strand rather than twisted fibres
a fishing line made of monofilaments
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