verb. The definition of a chronicle is a record of things that have happened in the order which they happened. A US history book is an example of a chronicle. Chronicle means to gather facts and information about events which have happened.
A microwave oven is a type of oven that uses microwaves to heat up food. Microwaves are a type of electromagnetic wave that is sandwiched between radio wave and infrared radiation on the electromagnetic spectrum and their frequencies range between 300 MHz (0.3 GHz) and 300 GHz.
Microwave ovens use high power electromagnetic radiation (radio) at a frequency. close to 2.5 GHz to do the job of cooking. Much of the design of the appliance goes into making sure that very little of that. radiation is given off, and that it stays inside the cooking chamber where it belongs.icrowave radiation is electromagnetic radiation (waves) in the microwave portion of the electromagnetic spectrum. (An electromagnetic wave is a moving electrostatic and magne â¦ tic field. The fields are at right angles to each other, and they move through space in just this way-as moving fields.