of decitex or more, with no cross-sectional dimension over mm; strip etc. of artificial textile not over mm in width syntheticfilamentyarn (other than sewing thread), put up for retail sale artificial filamentyarn (other than sewing thread), put up for retail sale wovenfabricsofsyntheticfilament...
is obtained from the cocoons spun by certain caterpillars (larvae of moths and butterflies) before pupation. until the discovery of nylon and other synthetic fiber polymers, the silk of domestic silkworm, bombyx mori, was an economically and, at the time of war, also strategically important commodity...