noun
permeability; osmosis
Technical noun used in science and engineering to describe the ability of a substance to allow liquids or gases to pass through it. Often used in contexts like membrane permeability or soil permeability.
この膜は高い浸透性を持っている。
This membrane has high permeability.
土壌の浸透性を調べる実
We conducted an experiment to examine the soil's permeability.
透過性 also means 'permeability' or 'transparency', but is more often used for light or radiation, whereas 浸透性 is typically for liquids or gases.
Compound of 浸透 (しんとう, 'permeation, osmosis') and 性 (せい, '-ity, -ness'), forming a noun meaning 'permeability'.