felting
felt-ing
verb
The action of fibres becoming matted and interlocked, forming felt, often unintentionally.
"The wool was felting quickly in the hot wash."
noun
The process of matting fibres, typically wool, together to create a dense fabric.
"She learned the traditional art of wet felting."
Thesaurus
Synonyms: felt, felt up, matte up, mat up, matte, matt-up, mat