permeation
noun /ˌpɜːmiˈeɪʃn/
/ˌpɜːrmiˈeɪʃn/
[uncountable] (formal)- permeation (+ adv./prep.) the process of a liquid, gas, etc. spreading to every part of an object or a place
- The product's solvent, ethanol, may enhance its permeation through the skin.
- the fact of affecting every part of something
- the growing permeation of online social networks in our everyday life