The fibroin fibre forming the cocoons produced by silkworms.
Note : The natural fibre is covered by sericin (silk gum), which is usually removed in processing.
Descriptive of yarns, fabrics, or garments produced from silk. The sericin may or may not be present.
Textile Resource (http://www.textile.org.uk)
The product of the silkworm. The cocoon thread is of indefinite length but exceedingly fine and lustrous.
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