Origin of buoyantfrom uncertain or unknown; perhaps Spanish boyante from boyar, to float
Children enjoying the buoyancy of their inflatable water toy.
- A coconut floating in the ocean is an example of buoyant.
- A balloon rising in the air is an example of buoyant.
The definition of buoyant is someone or something that is able to rise or float in air or water.
- Having or marked by buoyancy: a buoyant balloon; buoyant spirits.
- Lighthearted; gay: in a buoyant mood.
Origin of buoyantSpanish boyante present participle of boyar to refloat a boat from boya buoy from Old French boue ; see buoy .
(comparative more buoyant, superlative most buoyant)
- From youth to age he describes himself as gifted with a buoyant temper.
- Provision has also been made for rendering the sector buoyant by forcing air into it, so that it can be raised when the head of water is insufficient to lift it by the pressure of the water from the upper pool.
- Its eggs are buoyant and pelagic and easily recognized.
- Spawning takes place in June and July, and the eggs, like those of the majority of marine fishes, are buoyant and transparent, but they are peculiar in having an elongated, sausage-like shape, instead of being globular.
- The buoyant motion of the water filled me with an exquisite, quivering joy.