From Wiktionary, the free dictionary
From du (“2”) + -iliono.
- IPA(key): /duiliˈono/
- Rhymes: -ono
- Hyphenation: du‧i‧li‧o‧no
duiliono (accusative singular duilionon, plural duilionoj, accusative plural duilionojn)
- trillion (1012)
- Synonym: biliono
- In Esperanto, numbers of a million and larger are treated as nouns and are declined as such.