Lithographical is a term that refers to the process of printing from a flat plate that has been prepared with a design or image. Some synonyms for lithographical include litho, offset, and litho-offset. Litho refers to the lithographic printing process, while offset refers to a specific type of lithographic printing where the image is transferred onto a rubber blanket before being printed onto paper. Other synonyms for lithographical include printing press, etching, and engraving. Overall, the term lithographical is often used in the printing and publishing industries, and there are many different synonyms that can be used to describe this process and its various applications.