A yam which has free metal as a component.
Note:There are several types, the best known of which are:
(1) Yams in which separate metal fibres or filaments are included
(2) Metal of narrow strip section, usually lustrous. The metal may be coated with film such as viscose cellulose ethanoate (acetate), butanoate (butyrate), or polyester. The film may be coloured
(3) Yarns on which metal is deposited, e.g., chemically or by electric arc, or by adhesive
(4) Multi-end yams in which at least one single yarn is metallic, (cf. tinsel yarn.)
(5) A gimp in which the helical covering consists of a metallic or laminated strip
also termed metallic yarn
Textile Resource (http://www.textile.org.uk)
