Definition of: flotation

(flō·tā′shən) noun
1. The act or state of floating.
2. The science of bodies that float.
3. The act of floating or financing, as of an issue of bonds, etc., by bankers.
4. Metall. A method of separating pulverized ores by placing them in a froth of oils and chemicals in water, and applying a current of air so that the valuable ore particles float on or adhere to the surface. Also spelled floatation.