﹒The power or tendency of a fluid to exert an upward force on a body placed in it.
﹒The ability or tendency to float in water or air.
﹒The quality of being cheerful, resilient, or optimistic.
﹒The buoyance of the life jacket kept the swimmer afloat in the rough sea.
﹒Engineers calculated the buoyance of the submarine to ensure it could submerge and surface safely.
﹒The buoyance of the wooden log allowed it to drift effortlessly down the river.
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