The term 'make sterile' can be defined as the process of sterilizing an object or area. Sterilization is a process that eliminates or kills all forms of life, including bacteria, viruses, fungi, and spores. It is often used in medical settings to prevent the spread of infection. Sterilization can also be used in food production, water treatment, and other industries. The crossword solutions for the term 'make sterile' are 'STERILIZE' (9 letters).