Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A portable apparatus having a container with compressed air, a regulator that is equipped with a mouthpiece and adjusts the pressure of the released air to match the surrounding pressure, and often a buoyancy compensator, used for breathing under water.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An apparatus carried by a diver, which includes a tank holding a mixture of oxygen and other gases, used for breathing underwater.
  • verb rare To perform scuba diving.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[s(elf-)c(ontained) u(nderwater) b(reathing) a(pparatus).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Acronym of self-contained underwater breathing apparatus

Examples

  • While the term scuba stands for self-contained underwater breathing apparatus, the scuba diving kit consists of more than an air tank, facemask and a mouthpiece on a hose.

    xml's Blinklist.com

  • While the term scuba stands for self-contained underwater breathing apparatus, the scuba diving kit consists of more than an air tank, facemask and a mouthpiece on a hose.

    xml's Blinklist.com

  • A scientist and doctor who invented a self-contained underwater breathing apparatus used by the military in World War II and later coined the term "scuba," an acronym by which such systems are widely known.

    The Seattle Times

  • A scientist and doctor who invented a self-contained underwater breathing apparatus used by the military in World War II and later coined the term "scuba," an acronym by which such systems are widely known.

    The Seattle Times

  • Getting certified in scuba can be pricey, averaging ~$300 for training and certification, figure another ~$100 for theopen water dive course, pricey equipment if you decide to invest in owning, and also pricey if you rent.

    SCUBA! « Biodork

  • PALCA: Well, it reminded me of like a resort course in scuba diving.

    Space Tourism: To Infinity And ... Right Back To Earth

  • So I'll just post the winner's future perfect tense tale replete with a dancing bear (belatedly known as Cuthbert) having sex in scuba gear behind the cut.

    We Have a Winner!

  • Passengers will be able to keep breathing underwater through an integrated tank of compressed air similar to what is used in scuba diving.

    Boing Boing

  • Passengers will be able to keep breathing underwater through an integrated tank of compressed air similar to what is used in scuba diving.

    It’s a Convertible?!

  • Here, this is a top secret from the freeper site, but they have camel operatives that are trained in scuba technology and underwater demolitions.

    Think Progress » Pentagon Approves $11 Billion Contract For Useless Weapons System

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