The Electromagnetic Spectrum. The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes â the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
Top definition. fathom. 1. a unit of mesuring distance that is 6 feet or about equal to the length of a grown man's outstreched arms. 2. to contemplate or think about with effort. 1.the shipwreck is about 10 fathoms down. 2.who but the almighty can fathom the depths of the abyss.
Definition: Fats. Fats. The foods we eat contain nutrients that provide energy and other substances the body needs. Most of the nutrients in food fall into three major groups: proteins, fats, and carbohydrates. The body uses fat as a fuel source, and fat is the major storage form of energy in the body. Fat also has many other important functions in the body, and a moderate amount is needed in the diet for good health.