/ˌpərmēəˈbilitē/
Noun
1. The quality or state of being permeable. (merriam-webster.com)
2. The property of something that can be pervaded by a liquid (as by osmosis or diffusion). (wordnetweb.princeton.edu)
(Physics)
1. (Electromagnetism) The property of a magnetizable substance that determines the degree in which it modifies the magnetic flux in the region occupied by it in a magnetic field. (merriam-webster.com)
(Geology)
1. The ability of a rock, soil or sediment to transmit water. (biology-online.org)
Word origin: From French perméabilité