percolation

渗透[滤, 漏](作用);【化】穿流(法)

percolation

1. the slow passage of a liquid through a filtering medium; "the percolation of rainwater through the soil"; "the infiltration of seawater through the lava"

(synonym)

(hypernym)

(derivation) ,

2. the act of making coffee in a percolator

(hypernym) , ,

(derivation)

3. the filtration of a liquid for extraction or purification

(hypernym)

(derivation)