[ pur-mee-uh-buh l ]
/ ˈpɜr mi ə bəl /


capable of being permeated.

Origin of permeable

1400–50; late Middle English < Late Latin permeābilis, equivalent to permeā(re) to permeate + -bilis -ble

Related forms

per·me·a·ble·ness, nounper·me·a·bly, adverbnon·per·me·a·ble, adjectiveun·per·me·a·ble, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for permeable

British Dictionary definitions for permeable


/ (ˈpɜːmɪəbəl) /


capable of being permeated, esp by liquids

Derived Forms

permeableness, nounpermeably, adverb

Word Origin for permeable

C15: from Late Latin permeābilis, from Latin permeāre to pervade; see permeate
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

Medicine definitions for permeable


[ pûrmē-ə-bəl ]


That can be permeated or penetrated, especially by liquids or gases.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for permeable


[ pûrmē-ə-bəl ]

Capable of being passed through or permeated, especially by liquids or gases.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.