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buoyancy compensator

American  

noun

Scuba Diving.

  1. 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 CO 2 cartridge for rapid, emergency inflation.

Example Sentences

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So you and your buddy run through the steps: Does your buoyancy compensator work?

From Forbes • Oct. 22, 2014

Scuba equipment has not changed much since the buoyancy compensator was developed a few years ago.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.