Flotation (also spelled floatation) involves phenomena related to the relative

buoyancy Buoyancy (), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the p ...

of objects. The term may also refer to: *

Flotation (archaeology) This page is a glossary of archaeology, the study of the human past from material remains. A B C D E F ...

, a method for recovering very small artefacts from excavated sediments *

Flotation (shares) An initial public offering (IPO) or stock launch is a public offering in which shares of a company are sold to institutional investors and usually also to retail (individual) investors. An IPO is typically underwritten by one or more investment ...

, an initial public offering of stocks or shares in a company *Flotation, any material added to the hull of a watercraft to keep the hull afloat *Flotation, the ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow *"Floatation", a 1990 electronic music song by

The Grid The Grid is an English electronic dance group, consisting of David Ball (formerly of Soft Cell) and Richard Norris, with guest contributions from other musicians. They are best known for the hits "Swamp Thing", "Texas Cowboys", "Crystal Cle ...

* Flotation process, in process engineering, a method for the separation of mixtures **

Dissolved air flotation Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure ...

(DAF), a water treatment process **

Froth flotation Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, wher ...

, a process for separating hydrophobic from hydrophilic materials ** Induced gas flotation, a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids *Flotation therapy, a technique whereby users 'float' in an

isolation tank An isolation tank, sensory deprivation tank, float tank, float pod, float cabin, flotation tank, or sensory attenuation tank is a water filled, pitch-black, light-proof, soundproof environment heated to the same temperature as the skin, developed ...

See also