Checking for an all clear is recommended.īailout bottle (also called bailout cylinder) - is a cylinder with an emergency supply of air or other breathing gas, aimed to use in case of air supply trouble.īalanced regulator - a regulator designed to help the diver maintain a consistent breathing effort regardless of external conditions, such as depth or tank pressure.īarotrauma - an injury caused by unequal pressures between a space inside the body and the ambient pressure, or between two spaces within the body.īC - see buoyancy compensator, same as BCD - buoyancy control device.īell harness - a safety harness made of strong webbing. Using this method, the diver needs to securely hold his mask, lean backward and roll into the water with his tank and shoulders first. It is most often used with a back inflation buoyancy compensator.īackward roll entry - means of entering the water in scuba gear from a sitting position from the side of the boat. Held to the body by harness straps over the shoulders and around the waist. Bīackplate - A plate, usually made from metal, which rests against the diver’s back, and to which the primary scuba cylinders are attached. Nowadays, ADS are still very heavy and expensive, thus, are used mostly by rescue teams and military. What’s more, the diver do not even need to be a skilled swimmer. The diver doesn’t need to decompress, nor breathe the special gas mixtures. The ADS allows the diver to go as deep as 2,300 feet (700 m), and eliminates the majority of physiological dangers associated with deep diving. It is recommended to never exceed the ascent rate of 30 feet / 9 meters per minute, as it is an important part of preventing the decompression sickness.Ītmospheric diving suit - is basically submarine of an anthropomorphic form, with elaborate pressure joints to allow articulation while maintaining an internal pressure of one atmosphere. An ascent may be interrupted by stops (decompression stops), when the diver maintains a functionally constant depth for the purpose of decompression.Īscent rate - is the rate at which depth is reduced at the end of a dive. An alternative to analog instrument is digital display.Īnoxia - a medical condition caused by a severe lack of oxygen in the body.Īpnea - is generally defined as a suspension of breathing, however, in the modern athletic world apnea has become a synonym of freediving - a form of underwater diving that relies on divers' ability to hold their breath until resurfacingĪscent - part of the dive profile where the diver is moving upwards towards the surface.
#Diving deeper synonym plus#
Although most often mild, the vertigo can persist until the diver reaches the surface continuing the unequal pressures, which can damage the inner ear or eardrum.Īltitude diving - diving at a location where the water surface is at an altitude which requires the modification of decompression schedules (more than about 300 m (980 ft) above sea level).Īmbient light - is the available sunlight underwater used as a source of illumination.Īmbient pressure - is the surrounding pressure on land, comes from the weight of the atmosphere, at depth, comes from the weight of the water plus the weight of the atmosphere.Īnalog Instrument - a device that uses a needle moving around a dial to provide information. When the pressures in both ears reach ambient levels, the the dizziness usually stops. Such a state may occur due to barotrauma of descent, and/or the effects of nasal decongestants. Examples include an auxiliary demand valve, a pony bottle and bailout bottle.Īlternobaric vertigo - is the feeling of dizziness, that is caused by the unequal increase in middle ear pressures. AĪlternative air source - is a secondary supply of air or other breathing gas used by the diver in an emergency.
To make it a bit easier for you, we have put together this glossary of the most commonly used diving-related terms, phrases, slang and acronyms. Yes friends, the learning curve was steep. “Huh… I didn’t bring food”, I replied, which caused fits of laughter among my fellow divers. I remember going on one of my first boat dives and being asked if I was carrying a sausage. It is pretty easy to get confused if you are new to the diving scene. D iving is a rich sport when it comes to names, expressions, and technical words.
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