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Permeance is the allowance of movement of energy or matter through something.
An example of permeance is the amount of water vapor which can be diffused through a piece of plywood.
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- a permeating or being permeated
- the reciprocal of magnetic reluctance
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A measure of the ability of a magnetic circuit to conduct magnetic flux; the reciprocal of reluctance.
Origin: From Latin permeāre, to penetrate; see permeate.