Pronunciation: (flō-tā'shun),[key] —n. 1. an act or state of floating.
2. the launching of a commercial venture, bond issue, loan, etc.
3. Metall.a process for separating the different minerals in a mass of powdered ore based on their tendency to sink in, or float on, a given liquid.
4. the science of floating bodies. Also,floatation.