Definition of aqualung in English:

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aqualung

Pronunciation: /ˈakwəlʌŋ/
(also US trademark Aqua-Lung)

noun

A portable breathing apparatus for divers, consisting of cylinders of compressed air strapped on the diver’s back, feeding air automatically through a mask or mouthpiece.
Example sentences
  • The modus operandi, they said, was for divers with aqualungs to collect perlemoen which they then took ashore at dusk in sacks and left in a hideout in the bush and dunes.
  • She pulled out the mouthpiece of her aqualung, briefly, and shouted his name into the water.
  • If I went, and I would, I'd want the full suit, with an aqualung and a parachute.

verb

[no object] dated
Swim under water using an aqualung: you oughtn’t to aqualung by yourself
More example sentences
  • If the water flows into the room, grab the tanks and get aqualunging.

Origin

1950s (originally a proprietary name in the US): from Latin aqua 'water' + lung.

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