modacrylic fiber


mod·​acryl·​ic fiber ˌmä-də-ˈkri-lik- How to pronounce modacrylic fiber (audio)
: any of various synthetic textile fibers that are long-chain polymers composed of 35 to 85 percent by weight of acrylonitrile units

Word History


modified acrylic

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of modacrylic fiber was in 1960

Dictionary Entries Near modacrylic fiber

Cite this Entry

“Modacrylic fiber.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2023.

Kids Definition

modacrylic fiber

mod·​acryl·​ic fiber ˌmȧd-ə-ˌkril-ik- How to pronounce modacrylic fiber (audio)
: a synthetic fiber used for clothing that dries quickly and resists burning
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