Meaning of PERCOLATION in English


/perr'keuh lay"sheuhn/ , n.

1. the act or state of percolating or of being percolated.

2. Pharm. the extraction of the soluble principles of a crude drug by the passage of a suitable liquid through it.

3. Geol. the slow movement of water through the pores in soil or permeable rock.

[ 1605-15; percolation- (s. of percolatio ). See PERCOLATE, -ION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .