"Hot irons" is a term used to describe heated metal tools that are commonly used for straightening hair or pressing fabrics. However, there are several other synonyms for this term, many of which are more specific. For example, a flat iron, also known as a straightener, is a hot iron used primarily for hair styling. A curling iron, on the other hand, is a hot iron that is used to create curls in hair. A clothes iron is a hot iron used for pressing fabrics. Overall, while "hot irons" is a broad term that can refer to any heated metal tool, there are many more specific synonyms that are more appropriate for different uses.