[ pûr′mē-āshən ]


The process of spreading through or penetrating, as in the extension of a malignant neoplasm by continuous proliferation of the cells along the blood or lymph vessels.



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


What does permeation mean?

Permeation is the process of permeatingpenetrating, passing through, and often becoming widespread throughout something. Permeation can also refer to the result of this.

The word permeation can be used both in the context of the physical spread of something within a space and in more figurative ways, such as the permeation of water into the soil, the permeation of a smell throughout a room, or the permeation of an idea in someone’s mind.

The related adjective permeable means capable of being permeated, especially by liquids or gases, as in Permeable surfaces should be sealed to prevent permeation. 

Example: This material has a special coating that won’t allow any permeation of liquids into its surface.

Where does permeation come from?

The first records of the word permeation come from the 1600s. It ultimately comes from the Latin verb permeāre, meaning “to pass through.”

Permeation typically occurs when things pass through some barrier or threshold—physical or otherwise—and then spread out. In physical contexts, this often involves liquids and gases passing through a permeable membrane or surface layer. Permeation can refer to the penetration and spread of intangible things, like flavors or smells, and abstract things, such as ideas, trends, and aspects of culture.

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What are some other forms related to permeation?

What are some synonyms for permeation?

What are some words that share a root or word element with permeation

What are some words that often get used in discussing permeation?

How is permeation used in real life?

Permeation can be used in the context of tangible, intangible, and abstract things.



Try using permeation!

Which of the following words is NOT a synonym of permeation?

A. saturation
B. penetration
C. permeance
D. permanence

Example sentences from the Web for permeation