The term 'IMPRINT ON GLASS' can be solved by the crossword solution 'ETCH'. Etching is a process of using acid or other corrosive substances to create a design on glass. It is a form of art that has been used for centuries to decorate glassware and other items. The process involves applying a resist material to the glass, then using an acid to ETCH away the exposed areas. The result is a permanent design that can be used to create beautiful works of art.