First Known Use: 1960
Dictionary
modacrylic fiber
noun mod·acryl·ic fiber \ˌmä-də-ˈkri-lik-\
Definition of MODACRYLIC FIBER
: any of various synthetic textile fibers that are long-chain polymers composed of 35 to 85 percent by weight of acrylonitrile units
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Origin of MODACRYLIC FIBER
modified acrylic
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