The term 'Brand Microwave' can be broken down into three crossword solutions: AMANA (5 letters), NUKE (4 letters), and ZAP (3 letters). AMANA is a brand of home appliances, including microwaves, that has been around since 1934. NUKE is a slang term for using a microwave to heat up food. ZAP is another slang term for using a microwave to heat up food. All three terms refer to the same thing - using a microwave to heat up food.