dictionary help| buoyant | medical dictionary |
1. Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury. "Buoyant on the flood."
2. Bearing up, as a fluid; sustaining another body by being specifically heavier. "The water under me was buoyant." (Dryden)
3. Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits. Buoy"antly.
Origin: From Buoy, & i.
(01 Mar 1998)
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