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permeance

[pur-mee-uh ns]
noun
  1. the act of permeating.
  2. the conducting power of a magnetic circuit for magnetic flux; the reciprocal of magnetic reluctance.
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Origin of permeance

First recorded in 1835–45; perme(ant) + -ance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for permeance

permeance

noun
  1. the act of permeating
  2. the reciprocal of the reluctance of a magnetic circuitSymbol: Λ
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Derived Formspermeant, adjective, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012