This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Any of a class of strong, heat-resistant synthetic fibres, used in aerospace and military applications.

"Stephanie Louise Kwolek, who is a chemist working for DuPont Company, discovered how to take liquid crystals and turn them into particular kinds of fibers called aramid fibers, which I think we all know as Kevlar which, in turn, has been used for a lot of protection."

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