Rests or moves on the surface of a liquid without sinking. Also refers to decorative vehicles in parades or financial instruments that fluctuate in value.
From Old English 'flotian', meaning 'to rest on the surface of water', related to 'fleet'. The word expanded from its literal meaning to various metaphorical uses involving suspension or buoyancy.
The physics of floating fascinated ancient Greek philosophers, leading Archimedes to his famous principle while bathing. The word's evolution to describe everything from parade displays to stock prices shows how fundamental the concept of 'staying afloat' is to human thinking.
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