spunbond noun1 •Spunbonded fabric; a type of nonwoven fabric made by extruding continuous filaments directly from thermoplastic polymer chips, forming those filaments into a web, and then causing them to bond by the application of heat or (more rarely) a catalyst.The high strength of spunbonds is a dominant factor in such market applications as mailing envelopes, tags, and reinforcing media for lamination to weaker paper products. — 1975 formsspunbonds
