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Impossible to permeate: an impermeable membrane; an impermeable border.
im·per′me·a·bil′i·ty, im·per′me·a·ble·ness n.
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.
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|Noun||1.||impermeableness - the property of something that cannot be pervaded by a liquid|
retention, retentiveness, retentivity - the power of retaining liquid; "moisture retentivity of soil"
nonabsorbency - the property of not being absorbent
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