With participation level at nearly a quarter of the population (22 percent), bowling rolled by such popular sports and activities as basketball (15 percent), golf (13 percent), aerobics (11.9 percent), baseball (13 percent) and yoga (9 percent) to secure the number one ranking.
Definition of FUEL CELL. : a device that continuously changes the chemical energy of a fuel (as hydrogen) and an oxidant directly into electrical energy.
Medical Definition of Fat cell. Fat cell: A cell containing fat. Also called an adipocyte. A fat cell, or adipocyte, is a connective tissue cell that has differentiated and become specialized in the synthesis (manufacture) and storage of fat.