Simple past tense and past participle of filtrate.(verb)
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Use "filtrated" in a sentence
"While you've been imitating Urea Thurman's "Pulp Fiction" scowl, and perfecting your Riot Grrrls look with smudged lipstick and ripped tights, an army of mascara-wearing, machete-brandishing female characters have in-filtrated the pages of comic books."
"Moscow's leaders, of course, know that most information on political matters spread by Russian media and officials is, at best, filtrated, and, at worst, falsified."
"The urine, as eliminated, is thus only about one percent of the amount of fluid filtrated through the glomerulae into the renal tubules."