限げん外がいろ過か膜まくMeaningsNoun1. ultrafiltration membraneKanji used限limit外outside過surpass something膜membraneComposed of限げんcounter for (school) periods; nth periodCounter外がいoutside ...; beyond ...; not included in ...Suffixろ過かfiltration; filtering; percolationNoun膜まくmembrane; filmNoun