What is another word for duplex apartment?
Pronunciation: [djˈuːplɛks ɐpˈɑːtmənt] (IPA) 
Duplex apartments are unique residential spaces that are often spread across two floors and connected by an interior staircase. In some cases, other terms are used to describe this type of apartment. For instance, a duplex apartment might also be referred to as a maisonette or a two-story flat. Additionally, some real estate professionals might use words like triplex or quadruplex to describe a residential space that is spread out over three or four floors. Other terms that could be used to describe a duplex apartment include a split-level apartment or a bi-level apartment, both of which refer to spaces that are divided into multiple levels by interior steps or half-floors.
