to penetrate or spread gradually, such as the spread of ideas or influence into a population; also used for the infiltration of hostile forces or spies into an organization

to seep, ooze, or leak out slowly from the inside to the surface

of a liquid, to permeate or soak into something through small pores or openings

the process of a liquid or gas leaking or oozing through a porous material or small holes; to seep or ooze out slowly

to leak or percolate slowly through cracks or small holes; (of water) to ooze out

permeability; osmosis

the pressure that must be applied to a solution to prevent the inward flow of its pure solvent through a semipermeable membrane

to ooze or flow slowly through a porous medium such as soil or rock, or the process of such flow (percolation)

liquid or matter (such as blood or lymph) that has seeped or oozed out of a vessel, organ, or tissue, typically due to injury or inflammation

(chemistry) A process used in water purification and other chemical applications; antiosmosis

a process used to separate ions from a solution using electricity and semipermeable membranes

The process of using a semi-permeable membrane to separate large molecules or particles from smaller ones in a solution; also called [[透析|透析|tou4 xi1]]

an underground drain or channel used to drain away surface water; used in northern China to refer to an enclosed drain or [[阴沟|陰溝|yin1 gou1]]

a pit built in a courtyard or street to collect and drain away surface water; sewage pit

(Taiwan) the Anti-Infiltration Act, a 2020 law aimed at preventing foreign interference in Taiwan's political and electoral processes

(colloquial) horrifying; creepy; scary

to feel the penetrating chill of cold air; chilly; cold. This is a colloquial term.

percolation; filtration; specifically the chemical process of a liquid filtering through a porous material

coffee percolator

to ooze or trickle; to leak out slowly through small pores or gaps

the process of hardening the surface of low-carbon steel by heating it in a carbon-rich environment; cementation

The unintended spreading or running of colors in textiles or printed materials.

the process of osmosis or permeation

A process by which a solvent passes through a semipermeable membrane in the direction opposite to that for natural osmosis

to prevent leakage or seepage, as in construction or irrigation