permeation
nounUK /ˌpɜːmiˈeɪʃən/ · CA, US /ˌpɝmiˈeɪ̯ʃən/
1
The movement of a fluid through a porous or permeable solid.
2
Medicine, Sciences The spreading of something (especially something malignant) through the body via blood vessels etc.
- Derived terms
- perstraction, pervaporation, vasopermeation