Dimensional Analysis. Dimensional Analysis (also called Factor-Label Method or the Unit Factor Method) is a problem-solving method that uses the fact that any number or expression can be multiplied by one without changing its value. It is a useful technique.
In 1887, the first dry cell battery was invented. Unlike previous batteries, it used a paste electrolyte instead of a liquid.
noun. A battery that stores electrical charge. A battery that stores electrical charge. The definition of a battery is a man-made power cell used to generate electrical energy. 1  The battery can be traced back to the nineteenth century, with the invention of the first Voltaic pile by Alessandro Volta.