A three-bedroom unit is a common term used in real estate. However, there are other ways to describe this type of property. For example, a triplex is an apartment building with three separate living units, each with its own entrance. A triple apartment could also be used to describe an apartment with three bedrooms. Another term is a three-room apartment, which may refer to three separate rooms, including the bedrooms, in a larger apartment. Additionally, a three-bedroom home, house, or flat could also be used to describe a unit with three bedrooms. It is important to use clear and concise language when describing properties for sale or rent.