the activity of underwater diving in water-filled caves using specialized equipment
洞窟ダイビング
the practice of diving beyond recreational limits using specialized equipment and techniques
テクニカルダイビング
a type of scuba diving where the diver is moved around by currents, allowing the water's flow to carry the diver along
ドリフトダイビング
a type of scuba diving where the diver dives underwater at night using specialized lights
ナイトダイビング
a type of scuba diving where the diver explores sunken ships and other underwater structures
難破船ダイビング
a condition where sudden pressure changes cause nitrogen bubbles in the body, leading to symptoms like joint pain and fatigue
減圧症
the duration a diver spends underwater during a single dive, typically measured from descent to ascent
底時間
to swim under water for specific purposes using special swimming and breathing equipment
飛び込む
to swim under water with a hollow tube called snorkel through which one can breathe
シュノーケリングをする
a physical underwater activity where individuals swim near the water's surface using a snorkel
スノーケリング
device that reduces the pressure of the air supply to breathable levels and delivers it to the diver underwater
ダイビングレギュレーター
*** a gas cylinder used to store and transport high pressure gas used in diving operations
ダイビングシリンダー
a device that recycles air, extending dive time while conserving gas
ダイビングリブリーザー
a method of providing oxygen to divers underwater on demand to treat decompression sickness or other diving-related injuries
需要弁酸素療法
(diving equipment) a removable plastic or rubber device worn in the mouth to protect the teeth and jaws while using scuba equipment
マウスピース
a hollow tube used by swimmers and divers to breathe while their face is submerged underwater
スノーケル
a belt worn by divers to help them stay balanced and not float too much underwater
ウェイトベルト