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impermeability

 - 5 dictionary results
Permeability Tester
Plastic packaging material moisture permeability tester-Labthink
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im⋅per⋅me⋅a⋅ble

  [im-pur-mee-uh-buhl]
Use impermeability in a Sentence
–adjective
1. not permeable; impassable.
2. Chemistry, Geology. (of porous substances, rocks, etc.) not permitting the passage of a fluid through the pores, interstices, etc.
Origin:
1690–1700; < LL impermeābilis. See im- 2 , permeable

Related forms:
im⋅per⋅me⋅a⋅bil⋅i⋅ty, im⋅per⋅me⋅a⋅ble⋅ness, noun
im⋅per⋅me⋅a⋅bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To impermeability
Permeability Tester
Plastic packaging material moisture permeability tester-Labthink
Labthink.cn
im·per·me·a·ble   (ĭm-pûr'mē-ə-bəl)   
adj.  Impossible to permeate: an impermeable membrane; an impermeable border.
im·per'me·a·bil'i·ty, im·per'me·a·ble·ness n., im·per'me·a·bly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

impermeable 
1697, from Fr. imperméable, from L.L. impermeabilis, from in- "not" + permeabilis (see permeable).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: im·per·me·able
Pronunciation: (')im-'p&r-mE-&-b&l
Function: adjective
: not permitting passage (as of a fluid)through its substance impermeable to sodium and calcium ions> —im·per·me·abil·i·ty /(")im-"p&r-mE-&-'bil-&t-E/ noun plural -ties
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

impermeable im·per·me·a·ble (ĭm-pûr'mē-ə-bəl)
adj.
Impossible to permeate; not permitting passage.

im·per'me·a·bil'i·ty or im·per'me·a·ble·ness n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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