. A filter, as for sugar, in which a cylinder with a porous or foraminous periphery is rapidly rotated so as to drive off liquid by centrifugal action. [ Webster 1913 Suppl. ]
n. [ F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See Feuter. ] Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. [ 1913 Webster ]
Filter bed,
Filter gallery,
v. t.
Filtering paper,
Filter paper
v. i. To pass through a filter; to percolate. [ 1913 Webster ]
n. Same as Philter. [ 1913 Webster ]
adj. having a tip designed to filter the smoke; -- of a cigarette or cigar;
n. [ OE. filthe, fulðe, AS. f&ymacr_;lð, fr. fūl foul; akin to OHG. fūlida. See Foul, and cf. File. ]
To purify the soul from the dross and filth of sensual delights. Tillotson. [ 1913 Webster ]
Filth disease (Med.),
adv. In a filthy manner; foully. [ 1913 Webster ]
n.
Let us cleanse ourselves from all filthiness of the flesh and spirit. 2 Cor. vii. 1. [ 1913 Webster ]
Carry forth the filthiness out of the holy place. 2 Chron. xxix. 5. [ 1913 Webster ]
a.
He which is filthy let him be filthy still. Rev. xxii. 11.
v. t.
n. That which has been filtered; the liquid which has passed through the filter in the process of filtration. Contrasted with
n. [ Cf. F. filtration. ] The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.
v. t. & i.
v. i.
The water infiltrates through the porous rock. Addison. [ 1913 Webster ]
v. t. To penetrate gradually; -- sometimes used reflexively. J. S. Mill. [ 1913 Webster ]
n. [ Cf. F. infiltration. ] [ 1913 Webster ]
Calcareous infiltrations filling the cavities. Kirwan. [ 1913 Webster ]
Fatty infiltration. (Med.)
Infiltration gallery,
a. Of or pertaining to infiltration. Kane. [ 1913 Webster ]