buoyancy compensator

noun Scuba Diving.

an inflatable vest used to control one's buoyancy underwater or to rest at the surface, usually having a connecting hose for inflation or deflation by mouth and a CO2 cartridge for rapid, emergency inflation.

Nearby words

  1. buoy boat,
  2. buoyage,
  3. buoyance,
  4. buoyancy,
  5. buoyancy bags,
  6. buoyant,
  7. buoyant force,
  8. buoyantly,
  9. bupa,
  10. buphthalmia

Also called BC, buoyancy control device.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019