ul·tra·fil·tra·tion 
(ŭl′trə-fĭl-trāshən)
(ŭl′trə-fĭl-trāshən)n.
The filtration of a solution or colloidal substance through a semipermeable medium that allows only the passage of small molecules.
- “Jelly Roll.”
- “Jim.”
- “Joe.”
- “Kim.”
- “Kit.”
- “Le Douanier.”
- “Tex.”
- “the Black Prince.”
- “the Confessor.”
- “the Hoosier Poet.”
- “the Lady with the Lamp.”
- “Vince.”
- “Willie.”
- Flavius Sabinus Vespasianus.
- Flavius Valerius Constantinus.
- flavivirus
- flavo-
- flavone
- flavonoid
- flavoprotein
- flavor
- flavorer
- flavorful
- flavorfully
- flavoring