Italian Adjective filamentosi masculine plural of filamentoso Latin Pronunciation (Classical Latin) IPA(key): /fiː.laː.menˈtoː.siː/, [fiːɫ̪äːmɛn̪ˈt̪oːs̠iː] (modern Italianate Ecclesiastical) IPA(key): /fi.la.menˈto.si/, [filämen̪ˈt̪ɔːs̬i] Adjective fīlāmentōsī inflection of fīlāmentōsus: nominative/vocative masculine plural genitive masculine/neuter singularWikiwand - on Seamless Wikipedia browsing. On steroids.