Unicameral (adjective)

Having a single legislative chamber.

Origin:

From uni- + latin camera, chamber.

Examples:

1. Nebraska is the only U.S. state with a unicameral legislature.
2. The unicameral Parliament of Sweden is known for its efficiency.
3. A unicameral system reduces the number of political parties.
4. The new constitution proposed a unicameral legislature.
5. The country adopted a unicameral system to increase representation.