The term MODERN MEMO is a combination of two words, 'MODERN' and 'MEMO'. A MODERN MEMO is an electronic form of communication that is used to quickly and efficiently share information. It is typically sent via email and is often used in business settings. The crossword solution for the term MODERN MEMO is EMAIL, which is an acronym for Electronic Mail. Email is a popular form of communication that allows users to send messages to one another electronically.