online vocabulary.com

Buoyancy - Meaning, Definition & English Examples

Buoyancy is the upward force exerted by a fluid that opposes the weight of an object immersed in it, allowing things to float or rise when submerged.

buoyancy

/ˈbɔɪənsi/ /ˈbɔɪənsi/

Definition:

The ability or tendency to float in liquid or air due to lightness.

Synonyms:

floatability, lightness, levity

Part of Speech:

noun

Antonyms:

heaviness, sinkability

Common Collocations:

buoyancy aid, buoyancy force, buoyancy compensator

Derivatives:

buoyant, buoyantly

Usage Tips:

Use "buoyancy" to describe floating ability or a cheerful attitude metaphorically.

Common Phrases:

buoyancy of spirit, lose buoyancy, regain buoyancy

Etymology:

From Old French "boiance," from Latin "boia" (a fetter), influenced by "buoy."

Examples:

  • 1. The boat's buoyancy kept it afloat despite the waves.
  • 2. Her buoyancy in difficult situations inspires everyone around her.
  • 3. The swimmer relied on his buoyancy aid for safety.
  • 4. The balloon lost its buoyancy and slowly descended.

MORE VOCABULARY LISTS