D defs.my
Entry 1 sense Webster, 1913

Filtration

/fĭl-trāsh'-ən/ · Fil·tra·tion · IPA /fɪlˈtɹeɪʃən/
01 n. The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.
  1. 1.
    The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.