/ ˈnaɪlɒn; NAmE -lɑːn/ noun
1.
[ U ] a very strong artificial material, used for making clothes, rope, brushes, etc. :
a nylon fishing line
This material is 45% nylon.
2.
nylons [ pl. ] ( old-fashioned ) women's stockings or tights / pantyhose made of nylon
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WORD ORIGIN
1930s: an invented word, on the pattern of cotton and rayon .