Tortoise shell is a material that has been used in the production of decorative items for centuries. Its unique appearance is characterized by a warm, mottled pattern that is often compared to the appearance of a tortoise's shell. However, there are a number of synonyms that can be used to describe this material. Some people use the term "tortoise," while others prefer "tortoiseshell," "tortoise-shell," or "turtleshell." Additionally, some people refer to this material as simply "shell" or "shells." Regardless of which term is used, tortoise shell remains a popular material due to its durability, versatility, and distinctive appearance.