A microwave oven is a compact kitchen appliance designed for quickly heating, cooking, and defrosting food using electromagnetic waves called microwaves. It features a rectangular metal body with a front-opening door, usually fitted with a transparent mesh window for safe viewing during operation. Inside, the oven includes a rotating glass turntable that ensures even heating of food. The interior is typically coated with heat-resistant material for durability and easy cleaning. On the front panel, there is a control interface consisting of buttons, a digital display, or rotary knobs that allow users to adjust time, power levels, and cooking modes. Microwave ovens operate by generating microwaves that excite water molecules in food, producing heat internally rather than from an external source. This makes them energy-efficient. The exterior design is usually sleek and modern, available in various finishes such as black, white, or stainless steel, making it suitable for contemporary kitchens.