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wet strength

American  

noun

Papermaking.

  1. the relative resistance of paper to tearing when wet, resulting from the addition of resins during manufacture.

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