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flotation

American  
[floh-tey-shuhn] / floʊˈteɪ ʃən /
Rarely floatation

noun

  1. an act or state of floating.

  2. the launching of a commercial venture, bond issue, loan, etc.

  3. Metallurgy. 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.


flotation British  
/ fləʊˈteɪʃən /

noun

    1. the launching or financing of a commercial enterprise by bond or share issues

    2. the raising of a loan or new capital by bond or share issues

  1. power or ability to float; buoyancy

  2. Also called: froth flotation.  a process to concentrate the valuable ore in low-grade ores. The ore is ground to a powder, mixed with water containing surface-active chemicals, and vigorously aerated. The bubbles formed trap the required ore fragments and carry them to the surface froth, which is then skimmed off

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of flotation

First recorded in 1800–10; float + -ation; compare French flottaison ( flotsam )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The chain is improbable but unmistakable: Harrison’s protest, the flotation of Northern Songs, Grade’s takeover, Jackson’s coup, Sony’s consolidation.

From The Wall Street Journal • Feb. 20, 2026

He says the move could even open up future processing options, including adding a conventional flotation circuit if later exploration supports it.

From The Wall Street Journal • Dec. 30, 2025

Four sleeping pods are due to be installed, while there will also be an area for red light therapy and also dry flotation tanks.

From BBC • Aug. 8, 2025

Life jackets are optional for adults, but every boat must carry enough personal flotation devices for every passenger.

From Los Angeles Times • Jul. 24, 2025

The flotation belt must be acid resistant, since it looks as good as new.

From "Catching Fire" by Suzanne Collins