Definition of "permeable" [per•me•a•ble]

• That can be permeated or penetrated, especially by liquids or gases: permeable membranes; rock that is permeable by water. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "However, the seized products were in permeable packages and held under conditions that could affect the food's integrity and quality."
• "They are all permeable, and the reason they're permeable is that nobody likes someone who talks shit about other people."
• "This includes a stout casing and what is known as a permeable polymer separator, which stops the electrodes in the cell touching each other and causing a short circuit."