What is earthenware commonly known as?

Earthenware is commonly known as terra cotta, which refers to a specific type of ceramic made from clay that is fired at relatively low temperatures. This process results in a porous and often unglazed ceramic that is typically reddish-brown in color due to the iron content in the clay. Terra cotta has historical significance and has been used for various functional and artistic purposes, such as pottery, sculpture, and architectural details.

The other options reference different types of pottery: fine china is a type of porcelain known for its delicacy and translucency, stoneware is a denser, more durable type of ceramic that is fired at higher temperatures, and porcelain is a high-fired, vitrified ceramic known for its strength and aesthetic qualities. Each of these ceramics has distinct characteristics and is categorized differently in the realm of pottery.