What does 尼龙 (nílóng) mean in English?

Card 1836HSK Level 41836/3571
CARD1836
PROGRESS51%
尼龙
尼龍
nílóng
nylon(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d