The term 'microwave setting' refers to the various settings available on a microwave oven. These settings include 'Reheat' (6 letters), 'THAW' (4 letters), 'TIME' (4 letters), and 'DEFROST' (7 letters). The 'Reheat' setting is used to quickly heat up food that has already been cooked. The 'THAW' setting is used to THAW frozen food, while the 'TIME' setting is used to set the amount of TIME the food will be cooked for. Finally, the 'DEFROST' setting is used to DEFROST frozen food without cooking it.