A synthetic polyacrylonitrile fibre which makes a soft, warm yarn for textiles and knitwear. Frequently attributive.

A synthetic fibre that is a copolymer of vinyl chloride and acrylonitrile and resembles wool; also, the fabric made from it.

A proprietary name for a synthetic acrylic fibre used for clothing, blankets, etc. Frequently attributive.

A proprietary name for an acrylic fibre used in textiles, esp. for soft furnishings, and fabric made from this.

The proprietary name of a synthetic acrylic fibre.

An acrylic fibre, plastic, etc.; a piece, sheet, etc., of this material. Also as a mass noun: material of this kind.