1. the upward force exerted by a fluid on an object immersed in it; buoyancy
Usage: technical/physics term; often used interchangeably with 'buoyancy'
2. the quality of being able to float or rise; lightness or resilience
Usage: figurative or general use

Examples

• The buoyance of the water kept the boat afloat.
• The swimmer relied on the buoyance of the life jacket.
• Despite the setback, she maintained a sense of buoyance and optimism.
• The buoyance principle explains why ships don't sink.
• His natural buoyance made him popular among friends.