Buoyancy

/bˈɔ‍ɪənsi/

/ˈbɔɪənsi/

Buoyancy

the property of something weightless and insubstantial

synonyms : airiness

a feeling of hopefulness and confidence that makes one remain cheerful, especially in sad or unpleasant situations

the tendency to float in water or other liquid

cheerfulness that bubbles to the surface

synonyms : perkiness

Examples

1. Controlling their buoyancy.

2. His buoyancy is equivalent.

3. It will have buoyancy.

4. Video housing manufacturers do pay quite a lot of attention to buoyancy.