Bulk carrier is a common term used to refer to a ship that is used for carrying large quantities of unpackaged dry cargo, such as coal, iron ore, grain, or other similar commodities. However, there are different types of bulk carriers that are designed for specific purposes. Some of the common synonyms for bulk carrier include dry bulk vessel, bulker, ore carrier, and grain carrier. A dry bulk vessel is the most generic term used to describe any ship that carries dry cargo in bulk. An ore carrier is specifically designed for transporting heavy cargo such as iron ore, while a grain carrier is designed for handling bulk grain cargoes.