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Descending below the surface of the water to interact with the environment
rescue, and underwater search and recovery dive teams. Military diving includes combat diving, clearance diving and ships husbandry. Deep sea diving is underwater
Underwater_diving
List of articles related to underwater diving grouped by topical relevance
There are several modes of diving distinguished by the equipment and procedures used: Ambient pressure diving – Underwater diving where the diver is exposed
Outline_of_underwater_diving
Developments over time in the human activity
The history of underwater diving starts with freediving as a widespread means of hunting and gathering, both for food and other valuable resources such
History_of_underwater_diving
Chronological list of notable events in the history of underwater diving equipment
timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment. With
Timeline_of_diving_technology
Techniques requiring specific equipment and procedures
A mode of diving, or diving mode, is a particular way to dive underwater that requires specific equipment, procedures and techniques, and may expose the
Modes_of_underwater_diving
Equipment used to facilitate underwater diving
found to be suitable for diving use. The fundamental item of diving equipment used by divers other than freedivers, is underwater breathing apparatus, such
Diving_equipment
Underwater diving without breathing apparatus
Freediving, free-diving, free diving, or breath-hold diving is a mode of underwater diving that relies on breath-holding (apnea) until resurfacing rather
Freediving
Underwater environment to which a diver may be exposed
underwater diving environment, or just diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater
Underwater_diving_environment
Competitive underwater recreational activities
Underwater sports is a group of competitive sports using one or a combination of the following underwater diving techniques - breath-hold, snorkelling
Underwater_sports
Diving in water-filled caves
Cave diving is underwater diving in water-filled caves. It may be done as an extreme sport, a way of exploring flooded caves for scientific investigation
Cave_diving
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: A–C
Index_of_underwater_diving:_A–C
Influences of the underwater environment on the physiology of human divers
Human physiology of underwater diving is the physiological influences of the underwater environment on the human ambient pressure diver, and adaptations
Human physiology of underwater diving
Human_physiology_of_underwater_diving
Tethered underwater mobile device operated by a remote crew
remotely operated underwater vehicle (ROUV) or remotely operated vehicle (ROV) is a free-swimming submersible craft. ROVs are underwater machines that are
Remotely operated underwater vehicle
Remotely_operated_underwater_vehicle
Swimming underwater, breathing gas carried by the diver
Scuba diving is an underwater diving mode where divers use breathing equipment completely independent of a surface breathing gas supply, and therefore
Scuba_diving
Scientific concepts that are closely associated with underwater diving
The science of underwater diving includes those concepts which are useful for understanding the underwater environment in which diving takes place, and
Science_of_underwater_diving
diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other
Glossary of underwater diving terminology: A–C
Glossary_of_underwater_diving_terminology:_A–C
Diagnosis, treatment and prevention of disorders caused by underwater diving
of diving medicine includes the medical conditions associated with diving and their treatment, physics and physiology relating to the underwater and
Diving_medicine
Study of human activity via evidence found underwater
(2003). "Diving on the Queen Anne's Revenge". In: SF Norton (Ed). Diving for Science...2003. Proceedings of the American Academy of Underwater Sciences
Underwater_archaeology
Diving for the purpose of leisure and enjoyment
Recreational diving or sport diving is diving for the purpose of leisure and enjoyment, usually when using scuba equipment. The term "recreational diving" may
Recreational_diving
Situation that endangers the life or health of a diver
of diving emergencies, the risk is generally of death or injury to the diver, while diving or in the water before or after diving. Underwater diving is
Underwater_diving_emergency
diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other
Glossary of underwater diving terminology
Glossary_of_underwater_diving_terminology
Physiological responses to immersion of air-breathing vertebrates
The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the
Diving_reflex
Ability to see objects underwater
October 2021. Gibb, Natalie. "Factors That Affect Visibility Underwater When Diving". Scuba diving terminology. about.com. Archived from the original on 13
Underwater_vision
Adaptations of marine vertebrates to diving
The physiology of underwater diving is the physiological adaptations to diving of air-breathing vertebrates that have returned to the ocean from terrestrial
Physiology of underwater diving
Physiology_of_underwater_diving
Origins and development of diving using breathing gas carried by the diver
scuba diving is closely linked with the history of diving equipment. By the turn of the twentieth century, two basic architectures for underwater breathing
History_of_scuba_diving
Human habitable underwater enclosure filled with breathable gas
the science covering underwater habitats and their technology designed to meet human requirements is shared with diving, diving bells, submersible vehicles
Underwater_habitat
Alphabetical listing of underwater diving related topics
diving procedure – Skill required to scuba-dive safely Scuba diving quarry – Disused and flooded quarry repurposed for underwater diving Scuba diving
Index_of_underwater_diving:_S
Clearance Diving Branch is the specialist diving unit of the Royal Australian Navy whose versatile role covers all spheres of military diving Special Air
List_of_military_diving_units
Professional diving on industrial projects
Commercial diving may be considered an application of professional diving where the diver engages in underwater work for industrial, construction, engineering
Commercial_diving
Alphabetical listings of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index_of_underwater_diving
Diving to gather natural sponges
Sponge diving is underwater diving to collect soft natural sponges for human use. Most sponges are too rough for general use due to their structural spicules
Sponge_diving
Deliberate destruction of underwater obstacles
gunpowder. Pasley's operation set many diving milestones, including the first recorded use of the buddy system in diving, when he ordered that his divers operate
Underwater_demolition
Work done underwater during diving operations
Aquaculture diving – Underwater diving in support of aquaculture installations Aquarium diving – Occupational diving in large aquariums Combat diving – Tactical
Underwater_work
Aquatic or submarine environment
accessible parts of the underwater environment. These include research, underwater diving for work or recreation, and underwater warfare with submarines
Underwater_environment
Underwater diving breathing gas supplied from the surface
Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either
Surface-supplied_diving
Opening in the base of a hull, platform, or chamber giving access to the water below
drillships, diving support vessels, fishing vessels, marine research vessels, underwater exploration vessels, research vessels, and underwater habitats.
Moon_pool
Articulated pressure-resistant anthropomorphic housing for an underwater diver
An atmospheric diving suit (ADS), atmospheric pressure diving suit or single atmosphere diving suit is a small one-person articulated submersible which
Atmospheric_diving_suit
Diving mode and decompression technique
Saturation diving is an ambient pressure diving technique which allows a diver to remain at working depth for extended periods during which the body tissues
Saturation_diving
Semi-submersible offshore drilling rig
income. Underwater diving portal Commercial offshore diving – Professional diving in support of the oil and gas industry Saturation diving – Diving mode
Byford_Dolphin
Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more
List of diving equipment manufacturers
List_of_diving_equipment_manufacturers
Type of US Army Special Forces combat operations
diver United States Marine Corps Combatant Diver Course Underwater Construction Teams Military diving Uniform Service Diver Insignia (United States) "FM-3-05-212
Special Forces Underwater Operations
Special_Forces_Underwater_Operations
Tactical scuba diver
A frogman is someone who is trained in scuba diving or swimming underwater. The term often applies more to professional rather than recreational divers
Frogman
Practice of mutual monitoring and assistance between two divers
planning an underwater diving operation Diving procedures – Standard underwater diving protocols Diving safety – Risk management of underwater diving activities
Buddy_diving
American diving standards organisation
scientific diving. The scientific diving community was unable to operate as previously, and in 1977 united to form the American Academy of Underwater Sciences
American Academy of Underwater Sciences
American_Academy_of_Underwater_Sciences
diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other
Glossary of underwater diving terminology: D–G
Glossary_of_underwater_diving_terminology:_D–G
Equipment used in the support of an underwater diving operation
Diving support equipment facilitates a diving operation. It is either not taken into the water during the dive, such as the gas panel and compressor, or
Diving_support_equipment
Self-contained underwater breathing apparatus
overwhelmingly the most common underwater breathing system used by recreational divers and is also used in professional diving when it provides advantages
Scuba_set
Homogeneous mixture of a solute and a solvent
In chemistry, a solution is defined by IUPAC as "A liquid or solid phase containing more than one substance, when for convenience one (or more) substance
Solution_(chemistry)
Instrument to calculate decompression status in real time
depth below a reference surface Diving safety – Risk management of underwater diving activities Human factors in diving equipment design – Influence of
Dive_computer
Variety of environments that people may dive in
The diving environment is the natural or artificial surroundings in which a dive is done. It is usually underwater, but professional diving is sometimes
List of diving environments by type
List_of_diving_environments_by_type
Diving beyond the scope of recreational diving
Technical diving (also referred to as tec diving or tech diving) is scuba diving that exceeds the agency-specified limits of recreational diving for non-professional
Technical_diving
Chamber for transporting divers vertically through the water
Diving bells are usually suspended by a cable, and lifted and lowered by a winch from a surface support platform. Unlike a submersible, the diving bell
Diving_bell
manufacturer of underwater breathing apparatus (1870–1965) Charles Anthony Deane – English diving engineer and inventor of a surface supplied diving helmet (1796-1848)
List of researchers in underwater diving
List_of_researchers_in_underwater_diving
Hyperbaric pressure vessel for human occupancy used in diving operations
submarines, submersibles, and underwater habitats. When used underwater all types of diving chambers are deployed from a diving support vessel suspended by
Diving_chamber
Italian ocean liner that sank in 1956
raise Andrea Doria 40°29′30″N 69°51′0″W / 40.49167°N 69.85000°W / 40.49167; -69.85000 Portals: Italy 1950s United States Transport Underwater diving
SS_Andrea_Doria
Use of diving techniques in the pursuit of scientific knowledge
Scientific diving is the use of underwater diving techniques by scientists to perform work underwater in the direct pursuit of scientific knowledge. The
Scientific_diving
Branch of professional diving carried out by police services
diving – the recovery of evidence from underwater – and public safety diving. Police diving work may include: Underwater searches Evidence recovery Submerged
Police_diving
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: F–K
Index_of_underwater_diving:_F–K
French oceanographer and author (1910–1997)
Adventure (1953), Cousteau started diving with Fernez goggles in 1936, and in 1939 used the self-contained underwater breathing apparatus invented in 1926
Jacques_Cousteau
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: O–R
Index_of_underwater_diving:_O–R
Recreational diving without a dive buddy
Solo diving is the practice of self-sufficient underwater diving without a "dive buddy", particularly with reference to scuba diving, but the term is
Solo_diving
Facility for supporting saturation diving projects
saturation diving system is the combined and installed equipment required to support a saturation diving operation. It may be an underwater habitat, or
Saturation_diving_system
Death of a group of divers in 2022
The Paria diving disaster was an incident in February 2022 in which a group of five divers working on underwater piping at Paria Fuel Trading Company's
2022_Paria_diving_disaster
Powered device for diver mobility and range extension
underwater propulsion device, usually used as a diving equipment by scuba divers to increase range underwater. Range is restricted by the amount of breathing
Diver_propulsion_vehicle
Face cover to improve underwater vision
A diving mask (also half mask, free-diving mask, snorkelling mask or scuba mask) is an item of diving equipment that allows underwater divers, including
Diving_mask
Watch designed for underwater diving
A diving watch, also commonly referred to as a diver's or dive watch, is a watch designed for underwater diving that features, as a minimum, a water resistance
Diving_watch
2018 international rescue mission in Thailand
options for extracting the group, including whether to teach them basic underwater diving skills to enable the earliest possible rescue, to wait until a new
Tham_Luang_cave_rescue
Closed or semi-closed circuit scuba
A diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling)
Diving_rebreather
Underwater diving to a depth beyond the norm
Deep diving is underwater diving to a depth beyond the normal range accepted by the associated community. In some cases this is a prescribed limit established
Deep_diving
Things people do while diving underwater
Diving activities Diving activities are the things people do while diving underwater. People may dive for various reasons, both personal and professional
Diving_activities
Genre of photography
Underwater photography is the practice of capturing images beneath the surface of the water, often done while scuba diving, but can also be done while
Underwater_photography
Diver who remains underwater for 24 hours or more
Baldwin (Eds.) The Diving for Science…1996, "Methods and Techniques of Underwater Research"". Proceedings of the American Academy of Underwater Sciences Sixteenth
Aquanaut
Industrial construction in an underwater environment
but not necessarily, a significant component of commercial diving involved. Some underwater work can be done by divers, but they are limited by depth and
Underwater_construction
Group of people working together to enhance dive safety and achieve a task
A diving team is a group of people who work together to conduct a diving operation. A characteristic of professional diving is the specification for minimum
Diving_team
Ship used as a floating base for professional diving projects
mode of diving to be used. Recent offshore diving support vessels tend to be dynamically positioned (DP) and double as remotely operated underwater vehicle
Diving_support_vessel
Loss of consciousness at a shallow depth during a dive
while scuba diving, usually when using a rebreather, and occasionally while surface-supplied diving. Two very different breathhold dive profiles can
Shallow-water_blackout
List of terms used in underwater diving and their meanings in context
diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other
Glossary of underwater diving terminology: P–S
Glossary_of_underwater_diving_terminology:_P–S
Agents and situations that pose a threat to the underwater diver
Diving hazards are the agents or situations that pose a threat to the underwater diver or their equipment. Divers operate in an environment for which the
Diving_hazards
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: T–Z
Index_of_underwater_diving:_T–Z
diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other
Glossary of underwater diving terminology: H–O
Glossary_of_underwater_diving_terminology:_H–O
Italian freediver (born 1992)
Dynamic Apnea with monofin – Diving as far as possible with the use of a monofin. DYNB = Dynamic Apnea with fins – Diving as far as possible with the use
Alessia_Zecchini
Disorder caused by dissolved gases forming bubbles in tissues
commonly occurs during or soon after a decompression ascent from underwater diving, but can also result from other causes of depressurization, such as
Decompression_sickness
Underwater diving during the hours of darkness
Night diving is underwater diving done during the hours of darkness. It frequently refers specifically to recreational diving which takes place in darkness
Night_diving
Diving incident in the Maldives
The 2026 Dhekunu Kandu cave diving incident was a cave diving incident that occurred on 14 May 2026 at the Dhekunu Kandu cave, also known as the Devana
2026 Dhekunu Kandu cave diving incident
2026_Dhekunu_Kandu_cave_diving_incident
Aspects of physics which affect the underwater diver
function underwater of the diver. The main laws of physics that describe the influence of the underwater diving environment on the diver and diving equipment
Diving_physics
Recreational diver training and certification agency
SCUBA Diving International, launched in 1998 or 1999, is the sister organization of Technical Diving International. SDI was created by dive professionals
Scuba_Diving_International
Non-profit training and certification agency association of scuba instructors
instructor levels. It was re-certified for its scuba diving programs as meeting ISO and European Underwater Federation standards on November 24, 2015. Agency
National Association of Underwater Instructors
National_Association_of_Underwater_Instructors
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: D–E
Index_of_underwater_diving:_D–E
Places that divers go to enjoy the underwater environment
They include technical diving sites beyond the range generally accepted for recreational diving. In this context all diving done for recreational purposes
Recreational_dive_sites
Risk management of underwater diving activities
diving depends on four factors: the environment, the equipment, behaviour of the individual diver and performance of the diving team. The underwater environment
Diving_safety
Maritime special forces unit
disposal, underwater demolition, maritime security operations, and combatant craft operations. In 1959, the British Far East Fleet Clearance Diving Team (FECDT)
Naval_Diving_Unit_(Singapore)
Underwater diving in a military context by members of an armed force
have military diving units. Military diving is an occupation that has risks and responsibilities beyond those of other professional diving. Research and
Military_diving
Underwater diving where divers are paid for their work
Professional diving is underwater diving where the divers are paid for their work. Occupational diving has a similar meaning and applications. The procedures
Professional_diving
Swimming while inhaling through a snorkel
free-diving or recreational scuba diving, which should be preceded by at least some training from a dive instructor or experienced free-diver. Underwater photography
Snorkeling
Crewed full ocean depth rated submersible
Challenger Deep Timeline of diving technology – Chronological list of notable events in the history of underwater diving equipment Struwe, Jonathan (2019-05-04)
DSV_Limiting_Factor
Alphabetical listing of underwater diving related topics
following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide
Index of underwater diving: L–N
Index_of_underwater_diving:_L–N
US Navy personnel qualified in underwater diving and salvage
enlisted (ND or HM rating) who is qualified in underwater diving and salvage. Navy divers serve with fleet diving detachments and in research and development
Navy diver (United States Navy)
Navy_diver_(United_States_Navy)
Light used underwater by a diver
A dive light is a light source carried by an underwater diver to illuminate the underwater environment. Scuba divers generally carry self-contained lights
Dive_light
Submersible that traveled to the Challenger Deep
developer team members hail from Sydney's cave-diving fraternity including Allum himself with many years of cave-diving experience.[citation needed] Working in
Deepsea_Challenger
British ocean liner (1907–1915)
from the Discovery Channel was also to be on hand. A dive team from Cork Sub Aqua Club, diving under licence, discovered 15,000 rounds of the .303 (7
RMS_Lusitania
UNDERWATER DIVING
UNDERWATER DIVING
Female
Finnish
Finnish name derived from the word velloa, VELLAMO means "to surge, to swell." In mythology, this is the name of a cold-hearted goddess of the sea who dwelled in an underwater palace called Ahtola with her husband Ahto.
Female
Finnish
Variant spelling of Finnish Vellamo, WELLAMO means "to surge, to swell." In mythology, this is the name of a cold-hearted goddess of the sea who dwelled in an underwater palace called Ahtola with her husband Ahto.
Surname or Lastname
English (East Anglia)
English (East Anglia) : nickname meaning ‘diver’, from an agent derivative of Middle English douke(n) ‘to dive’ (a word that is probably related to duck (the bird)).Jewish (Ashkenazic) : unexplained.North German (Dücker) and Dutch : from the term for a duck or diving bird (from du(c)ken ‘to dive or duck’), probably applied as a nickname for someone thought to resemble the duck, but perhaps in some cases a metonymic occupational name for fowler or for a furrier who used the pelts of diving birds in his trade.
Boy/Male
French, Hindu, Indian
Underwater
Girl/Female
Indian, Kannada
Sacred; Diving
Surname or Lastname
Irish (County Donegal)
Irish (County Donegal) : Anglicized form of Gaelic Ó Duibhidhir or sometimes of Mac Duibhidhir (see Dwyer, also Dyer).English : of uncertain derivation; possibly from diver, an agent derivative of Middle English dive ‘to dip or plunge’, but if so the application is obscure. It may be a nickname for someone compared to a diving bird. Compare Ducker.
UNDERWATER DIVING
UNDERWATER DIVING
Boy/Male
Hindu, Indian
Constant; Polestar
Surname or Lastname
English
English : habitational name from Great Bolas in Shropshire, named in Old English with an unidentified first element (possibly an unattested word bogel meaning ‘bend in a river’) + wæsse ‘land beside a river liable to flood’.
Girl/Female
Indian
Voice, Call
Biblical
an ear; my hearkening
Biblical
motion (Zelophehad's daughter)
Boy/Male
Australian, German, Hebrew
God has Healed; Form of Raphael
Surname or Lastname
English
English : probably a habitational name from a lost or unidentified place; the forms Battershall and Battershill are also found.
Boy/Male
Hindu, Indian
Loveable; Lord of Beauty
Boy/Male
Muslim
Lucky, Blissful, Witness
Female
Thai/Siamese
Thai name SOM means "orange (the fruit)."
UNDERWATER DIVING
UNDERWATER DIVING
UNDERWATER DIVING
UNDERWATER DIVING
UNDERWATER DIVING
n.
One who undertakes; one who engages in any project or business.
n.
One who stipulates or covenants to perform any work for another; a contractor.
n.
One who effects insurance; an insurer; an underwriter.
n.
Specifically, one who takes the charge and management of funerals.
n.
A diving petrel of Australia (Halodroma wrinatrix).
n.
The business of an underwriter,
v. t.
To reckon below what is right or proper; to underrate.
v. t.
To rate too low; to rate below the value; to undervalue.
n.
A perpendicular shaft sunk to cut the lode at any required depth.
n.
An undertaker, or provider for funerals.
n.
One who, or that which, underlays or is underlaid; a lower layer.
n.
One who, or that which, insures; the person or company that contracts to indemnify losses for a premium; an underwriter.
n.
One who assures. Specifically: One who insures against loss; an insurer or underwriter.
n.
A price less than the value; as, to sell a thing at an underrate.
n.
One who underwrites his name to the conditions of an insurance policy, especially of a marine policy; an insurer.
a.
That dives or is used or diving.
n.
Specifically, the business of an undertaker, or the management of funerals.
n.
A master subordinate to the principal master; an assistant master.