a man-made fibre containing at least 85% polyurethane which is capable of high stretch followed by rapid and substantial recovery to its unstretched length. (See also elastomer; elastomeric yarn.) Found on http://www.textilesintelligence.com/glo/index.cfm?SECTION=E
A synthetic fibre best known as 'Lycra' used for stretch in clothing. Blended with other fabrics most commonly or can be used alone. Stronger than rubber Found on https://www.encyclo.co.uk/local/23307