modacrylic fiber

noun

: any of various synthetic textile fibers that are long-chain polymers composed of 35 to 85 percent by weight of acrylonitrile units

Word History

Etymology

modified acrylic

First Known Use

1960, in the meaning defined above

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

Browse Nearby Words

mod
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Cite this Entry

“Modacrylic fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/modacrylic%20fiber. Accessed 30 Mar. 2025.

Kids Definition

modacrylic fiber

noun
: a synthetic fiber used for clothing that dries quickly and resists burning
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