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Any of several tough, porous leather substitutes.

[Greek poros, passage; see per- in Indo-European roots + (poly)meric.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) (of a plastic) permeable to water vapour
(Chemistry) a substance having this characteristic, esp one based on polyurethane and used in place of leather in making shoe uppers
[C20: from poro(sity) + (poly)mer + -ic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Boots made of patent leather or poromeric are not authorized."
These synthetic materials, such as plastic, vinyl, and other poromeric materials, are more uniform in weight and quality and therefore allow less wastage.