flotation

noun

flo·​ta·​tion flō-ˈtā-shən 

variants or less commonly floatation

1

: the act, process, or state of floating

2

: an act or instance of financing (such as an issue of stock)

3

: the separation of the particles of a mass of pulverized ore according to their relative capacity for floating on a given liquid

also : any of various similar processes involving the relative capacity of materials for floating

4

: the ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow

Examples of flotation in a Sentence

fills the tanks with air for flotation

the flotation of a currency

Recent Examples on the Web

Their characteristic projecting spines serve both as flotation modulators (via a complex process akin to raising and lowering protoplasmic sails) and as masts permitting the cell to extend itself outward into the surrounding water and feed. —Literary Hub, 28 Oct. 2025

Other testers agreed, giving it high marks for responsiveness, flotation, and playfulness. —Outside, 21 Oct. 2025

Researchers at Clausthal University of Technology highlighted that punicin, a natural compound and its derivatives, can dramatically improve lithium recovery when applied in flotation separation processes. —Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2025

But the fanciest party trick of them all is emergency flotation on water – in case your yacht ever failed on you. —New Atlas, 19 Sep. 2025

Word History

Etymology

float entry 2 + -ation

First Known Use

1806, in the meaning defined at sense 1

Phrases Containing flotation

• flotation device

Rhymes for flotation

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation

Kids Definition

flotation

noun

flo·​ta·​tion

variants also floatation

flō-ˈtā-shən

1

: the act, process, or state of floating

2

: the separation of the particles of a mass of ground ore according to how they compare in ability to float on a liquid