When it comes to talking about cotton fiber, there are a variety of synonyms that can be used to express the same idea. One common synonym for cotton fiber is cotton lint, which refers to the fluffy, fibrous material that grows from cotton plants. Another possible synonym for cotton fiber is cotton wool, which is a soft and fluffy material that can be used for a variety of purposes. Other options might include cotton yarn, cotton thread, or simply cotton, depending on the context in which the term is being used. Regardless of the specific word chosen, all of these synonyms refer to the same basic material: the fiber that grows from cotton plants and is used to make a wide range of textiles and other products.