filter

I

(New American Roget's College Thesaurus)

v. filtrate, strain, sieve; percolate, pass through; purify, refine, leach. See cleanness, egress. —n. strainer, sifter, sieve, screen, percolator; cheesecloth; optical or audio filter. See opening, disjunction.

II

(Roget's IV) v.

1. [To soak slowly]

Syn. seep, osmose, soak through, penetrate, permeate, distill, percolate, leach, exude, ooze, drain, metastasize, infiltrate, trickle.

2. [To clean by filtering]

Syn. purify, sift, sieve, strain, refine, filtrate, clarify, clean, separate.

III

(Roget's 3 Superthesaurus)

I

n.

strainer, sieve, purifier, clarifier, screen, sifter.

II

v.

strain, filtrate, screen, sift, clarify, purify, refine, stream, trickle, leak, drain, effuse.