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fish paper

American  
[fish pay-per] / ˈfɪʃ ˈpeɪ pər /

noun

  1. a sturdy, flexible paper made of vulcanized fiber, usually used as electrical insulation.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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