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

buoyancy Buoyancy (), or upthrust, is the force exerted by a fluid opposing the weight of a partially or fully immersed object (which may be also be a parcel of fluid). In a column of fluid, pressure increases with depth as a result of the weight of t ...

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 investmen ...

, an initial public offering of stocks or shares in a company *

Floating exchange rate In macroeconomics and economic policy, a floating exchange rate (also known as a fluctuating or flexible exchange rate) is a type of exchange rate regime in which a currency's value is allowed to fluctuate in response to foreign exchange market ...

– changing policy to make a fixed currency have a floating rate may be called 'flotation'. *Flotation, any material added to the

hull Hull may refer to: Structures * The hull of an armored fighting vehicle, housing the chassis * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a sea-going craft * Submarine hull Ma ...

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 are 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 C ...

* 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 an ...

(DAF), a water treatment process ** Froth flotation, a process for separating hydrophobic from hydrophilic materials **

Induced gas flotation Induced gas flotation (IGF) is a water treatment process that clarifies wastewater (or other waters) by removing suspended matter such as oil or solids. The removal is achieved by injecting gas bubbles into the water or wastewater in a flotation ta ...

, 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. Method ...

See also