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Flotation aid worn by kayakers, canoeists and dinghy sailors
a flotation aid, rather than merely a life-saving device and have several key differences to other PFD's and lifejackets. Some buoyancy aids may not
Buoyancy_aid
Equipment to help the wearer keep afloat in water
preserver, life belt, Mae West, life vest, life saver, cork jacket, buoyancy aid or flotation suit) is a flotation device in the form of a vest or suit
Personal_flotation_device
hypothesised to play roles in buoyancy, locomotion, and even pseudoskeletal support. Two fundamentally different buoyancy mechanisms associated with dermal
Cephalopod_dermal_structures
Swimming underwater, breathing gas carried by the diver
buoyancy aid. In 1971, the stabilizer jacket was introduced by ScubaPro. This class of buoyancy aid is known as a buoyancy control device or buoyancy
Scuba_diving
Buoyancy aid to enable life-saving
(the same as or similar to the Spanner Raft[citation needed]) was a buoyancy aid to enable life-saving. It was a square of cork, approximately 0.9 by
Denton_raft
Origins and development of diving using breathing gas carried by the diver
buoyancy aid. In 1971 the stabilizer jacket was introduced by ScubaPro. This class of buoyancy aid is known as a buoyancy control device or buoyancy compensator
History_of_scuba_diving
Astronaut training in a neutral buoyancy environment
Neutral buoyancy simulation with astronauts immersed in a neutral buoyancy pool, in pressure suits, can help to prepare astronauts for the difficult task
Neutral buoyancy simulation as a training aid
Neutral_buoyancy_simulation_as_a_training_aid
Part of the water column near to the seabed and the benthos
the fish swims higher and lower in the water column. An alternative buoyancy aid is the use of lipids, which are less dense than water—squalene, commonly
Demersal_zone
Use of a kayak on water
the paddler's preference. Kayaks should be equipped with one or more buoyancy aid (also called flotation) which creates air space that helps prevent a
Kayaking
2018 international rescue mission in Thailand
were inside, we were okay." Each boy was dressed in a wetsuit, with a buoyancy aid, harness, and a positive pressure full-face mask. Harris administered
Tham_Luang_cave_rescue
Equipment for controlling the buoyancy of a diver
A buoyancy compensator (BC), also called a buoyancy control device (BCD), stabilizer, stabilisor, stab jacket, wing or adjustable buoyancy life jacket
Buoyancy_compensator_(diving)
Self-contained underwater breathing apparatus
buoyancy aid. In 1971 the stabilizer jacket was introduced by ScubaPro. This class of buoyancy aid is known as a buoyancy control device or buoyancy compensator
Scuba_set
Swimming while inhaling through a snorkel
to facilitate freediving, or an inflatable snorkeling vest, a form of buoyancy aid, for safety. A snorkel is a device used for breathing air from above
Snorkeling
NASA astronaut training facility in Houston, Texas
The Neutral Buoyancy Laboratory (NBL) is an astronaut training facility and neutral buoyancy pool operated by NASA and located at the Sonny Carter Training
Neutral_Buoyancy_Laboratory
Piece of material put around the neck of a dog
added weight to the collar. A flotation collar (or buoyant collar) is a buoyancy aid designed for dogs. Although it is not designed to be used as a life preserver
Dog_collar
Baby swimwear brand
Founders Desri and Robin Goodwin Headquarters Stallingborough , United Kingdom Products Swim diaper, Buoyancy aid, Swimwear Website www.splashabout.com
Splash_About_International
Team sport played in kayaks
the ball is different for men's, women's and junior games. Buoyancy aids: A buoyancy aid is used to protect the players' torso from injury, and must
Canoe_polo
Equilibrium between buoyancy and weight of an immersed object
Neutral buoyancy occurs when an object's average density is equal to the density of the fluid in which it is immersed, resulting in the buoyant force balancing
Neutral_buoyancy
Children's television series
Basketball Hoop Bouncy Ball 3 February 2020 (2020-02-03) 225 2 "On the River" Buoyancy Aid / Paddle / Bell Boat Duck 4 February 2020 (2020-02-04) 226 3 "Golf" Rocket
Something_Special_(TV_series)
Navigating along the intertidal zone
clothing and gloves to prevent abrasions – may be provided by the wetsuit Buoyancy aid Helmet Shoes to provide grip on rocks Wetsuit boots, trainers or canyoning
Coasteering
Species of fish
the transparent, pelagic eggs contains a small quantity of oil as a buoyancy aid. The eggs take 15 to 20 hours to hatch, the hatchlings being a type of
Holacanthus_bermudensis
Emergency first response medical treatment
Medical portal First aid is the first and immediate assistance given to any person with a medical emergency, with care provided to preserve life, prevent
First_aid
Buoy towed by a scuba diver to indicate position
reference, and as a buoyancy aid. When used as a buoyancy aid, a light tension is kept on the line by establishing a slight negative buoyancy for the diver
Surface_marker_buoy
Type of water sport
several other pieces of gear that are necessary for whitewater paddling. A buoyancy aid (BA) or personal flotation device (PFD), helmet, and spray deck (sometimes
Whitewater_kayaking
Buoy designed to be thrown to person in water, to prevent drowning
water to provide buoyancy and prevent drowning. Some modern lifebuoys are fitted with one or more seawater-activated lights to aid rescue at night. Other
Lifebuoy
Type of rigid buoyancy control device
A variable-buoyancy pressure vessel system is a type of rigid buoyancy control device for diving systems that retains a constant volume and varies its
Variable-buoyancy pressure vessel
Variable-buoyancy_pressure_vessel
Russian military rebreather for underwater and high altitude use
commando frogmen. As supplied it is in a plain backpack harness with no buoyancy aid. The casing is pressed aluminium with a hinged cover. It has a small
IDA71
with pedals, crankset or treadle. While most human-powered watercraft use buoyancy to maintain their position relative to the surface of the water, a few
Human-powered_watercraft
Pool of water in which neutral buoyancy is used to train astronauts
A neutral buoyancy pool or neutral buoyancy tank is a pool of water in which neutral buoyancy is used to train astronauts for extravehicular activity
Neutral_buoyancy_pool
Developments over time in the human activity
divers dived without any buoyancy aid. In an emergency, they had to jettison their weights. In the 1960s, adjustable buoyancy life jackets (ABLJ) became
History_of_underwater_diving
Irish ship master
throwing Pearce into the water. He swam ashore, using a floating table as a buoyancy aid. In the water three passengers, Reginald Jones, Arthur Mitchell, and
Thomas_Richard_Pearce
Skills required to scuba-dive safely
of buoyancy at different stages of a dive, using weights and a buoyancy compensator to control buoyancy. Weighting is the first stage of buoyancy control
Scuba_skills
Rescue of a distressed or incapacitated diver
assist with buoyancy. Once both divers are back in the bell, and the umbilicals stowed, the bell can be sealed and lifted while first aid is administered
Diver_rescue
Design award
November 8, 2012. Chris Shiny (October 5, 2010). "Longreach's livesaving buoyancy aid wins James Dyson innovation award". Tech Digest. Retrieved November 8
James_Dyson_Award
Part of a sperm whale
notion that buoyancy manipulation is advantageous to remaining motionless while diving; and evolution of the spermaceti organ with buoyancy as a selective
Spermaceti_organ
Recreational ice skating
strap containing a change of clothes in dry bags. This also acts as a buoyancy aid. Knee and elbow pads and a helmet are also commonly used. Touring skate
Tour_skating
Device used to keep someone above water
These devices, which come in many shapes and types, are used to aid them with buoyancy, or for floating on for fun. The most common floats for children
Pool_float
Overview of and topical guide to canoeing and kayaking
marking out kayak, canoe and rowing race courses using lines of buoys Buoyancy aid – a specialist form of personal flotation device (PFD) used most commonly
Outline of canoeing and kayaking
Outline_of_canoeing_and_kayaking
Garment worn to provide thermal protection while wet
exposure, and stings from marine organisms. It also contributes extra buoyancy. The insulation properties of neoprene foam depend mainly on bubbles of
Wetsuit
Ballast carried to counteract buoyancy
ballast weight added to a diver or diving equipment to counteract excess buoyancy. They may be used by divers or on equipment such as diving bells, submersibles
Diving_weighting_system
Ventilation without use of mechanical systems
buildings. Windcatchers are able to aid wind driven ventilation by directing air in and out of buildings. Buoyancy driven ventilation arise due to differences
Passive_ventilation
Italian soldier (1796–1879)
could attempt to cross the English Channel, using a bundle of straw as a buoyancy aid. The escape attempt was successful as, the following day, he managed
Giovan_Maria_Salati
Hazards associated with underwater diving
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
List of diving hazards and precautions
List_of_diving_hazards_and_precautions
Equipment used to facilitate underwater diving
includes buoyancy control equipment and mobility equipment: Buoyancy control is achieved by ballasting with diving weights and compensating for buoyancy changes
Diving_equipment
Historic astronaut training facility
The Neutral Buoyancy Simulator was a neutral buoyancy pool located at NASA's George C. Marshall Space Flight Center (MSFC). The simulator was used from
Neutral_Buoyancy_Simulator
Objects designed to help a wearer float in water
the air inside the armbands provides buoyancy, helping the wearer float. Although often thought of as a swimming aid for children, armbands are also available
Inflatable_armbands
English broadcaster and natural historian (born 1926)
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
David_Attenborough
Australian scuba manufacturer
directly to the back with rucksack-type straps without backpack plate or buoyancy aid, with a single-hose regulator-mouthpiece which could be strapped in.
Porpoise_(scuba_gear)
Early model scuba equipment and the ongoing activity of diving with it
directly to the back with rucksack-type straps without backpack plate or buoyancy aid, with a single-hose regulator-mouthpiece which could be strapped in.
Vintage_scuba
Non-certification scuba diving experience
participant should be able to swim at least 25 metres (82 ft) without any buoyancy aid. The international standard ISO 11121 standardizes the minimum requirements
Introductory_diving
Shipping collision in 2009
with Etoile". Of Etoile des Ondes: "None of the crew wore any form of buoyancy aid. Emergency lifejackets were provided, stowed above the wheelhouse, but
MV Alam Pintar and FV Etoile des Ondes collision
MV_Alam_Pintar_and_FV_Etoile_des_Ondes_collision
Alphabetical listing of underwater diving related topics
a snorkel Snorkeling vest, also known as snorkelling vest – Personal buoyancy aid for use while snorkeling Snuba – Limited depth airline breathing apparatus
Index_of_underwater_diving:_S
Species of fish
spaces filled with a dilute fluid (possibly lymph), thought to serve as a buoyancy aid, alongside scale loss and poor skeleton calcification. This species lacks
Bluntsnout_smooth-head
Deaths occurring while scuba diving or as a consequence of scuba diving
on scuba, deaths are usually associated with poor gas management, poor buoyancy control, equipment misuse, entrapment, rough water conditions, scuba depth
Scuba_diving_fatalities
Scuba set with variable-density buoyancy control
system is a single cylinder, back-mounted scuba set with variable density buoyancy control. The gas cylinder is a carbon fibre over aluminium liner filament
Avelo_diving_system
Recreational diving from a canoe or kayak
be required by legislation. This may include lifejacket or personal buoyancy aid, dive flag, flares, water bottle, mirror, whistle, an EPIRB or PLB locator
Canoe_and_kayak_diving
Crewed full ocean depth rated submersible
seating for an observer Surface ballast = 2,150 L (76 ft3) Syntactic foam buoyancy is used The pressure hull is a 1,500 mm (59 in) inside diameter by 90 mm
DSV_Limiting_Factor
Strait connecting the Atlantic, Pacific, and Southern Oceans
water would never rise above warmer water, and there would be no density (buoyancy)-driven circulation. However, mixing in the interior of most of the ocean
Drake_Passage
Movement of an object through air
lift associated with gliding or propulsive thrust, aerostatically using buoyancy, or by ballistic movement. Many things can fly, from animal aviators such
Flight
Recreational diver training and certification agency
Response primary and secondary care, and recommended PADI Peak Performance Buoyancy. The course covers diving with people with reduced mobility and supporting
Professional Association of Diving Instructors
Professional_Association_of_Diving_Instructors
Interplanetary radio communication station
Research and Exploration Science Directorate NASA 20-Foot Chamber Neutral Buoyancy Laboratory Space Environment Simulation Laboratory Kennedy Space Center
Canberra Deep Space Communication Complex
Canberra_Deep_Space_Communication_Complex
Species of mollusc
denticles, allows it to grasp and "chip down" parts of its prey. With the aid of a gas-filled sac in its stomach, G. atlanticus floats at the surface.
Glaucus_atlanticus
Watertight clothing that seals the wearer from cold and hazardous liquids
minimize "squeeze" on descent or uncontrolled rapid ascent due to excessive buoyancy, which requires additional skills for safe use. Dry suits provide passive
Dry_suit
Species of marine cnidarian
surface of the water. A gas-filled bladder called the pneumatophore provides buoyancy that lets the animal stay afloat on the surface of the water while its
Portuguese_man_o'_war
Type of back-mount scuba harness
with an attached buoyancy compensation device (BCD) which can be used to establish neutral buoyancy underwater and positive buoyancy at the surface. However
Backplate_and_wing
Type of heat transfer within a fluid
the Reynolds number (for the forced convection). The relative effect of buoyancy on mixed convection can be expressed through the Richardson number: R i
Combined forced and natural convection
Combined_forced_and_natural_convection
Semi-submersible offshore drilling rig
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
Byford_Dolphin
Disease of fish
gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current water depth without having to waste energy
Swim_bladder_disease
Family of cephalopods known as glass squid
fluid-filled coelomic cavity containing ammonia solution is used to aid buoyancy. This buoyancy system is unique to the family and is the source of their common
Cranchiidae
Severely deficient supply of oxygen
voluntary first responders who have been trained in first aid. In case of mechanical asphyxia, first aid can be provided on your own. In case of choking on a
Asphyxia
(producer) c-11m May 1, 1952 Background for Reading & Expression; Video Boats: Buoyancy, Stability, Propulsion c-13m March 31, 1959 The Bobolink and Blue Jay David
List_of_Coronet_Films_films
British cave diver who specialises in rescues
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
Rick_Stanton
Neutral buoyancy facility at the University of Maryland
Laboratory is centered on the Neutral Buoyancy Research Facility, a 50-foot-diameter (15 m), 25-foot-deep (7.6 m) neutral buoyancy pool used to simulate the microgravity
Space Systems Laboratory (Maryland)
Space_Systems_Laboratory_(Maryland)
Shell-like protective outer covering of organisms
predators and environmental stresses. Buoyancy: For some planktonic organisms, the lorica can aid in maintaining buoyancy in the water column. Habitat: It
Lorica_(biology)
Absence of the sensation of weight
gravity-vector-averaging. A neutral buoyancy pool or neutral buoyancy tank is a pool of water in which neutral buoyancy is used to train astronauts for extravehicular
Weightlessness
Decorative lamp
tension. As the warmed wax rises through the liquid, it cools, loses its buoyancy, and falls back to the bottom of the vessel in a cycle that is visually
Lava_lamp
Irish safety freediver (1977-2017)
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
Stephen_Keenan
Class of airship
enough buoyancy to make the whole ship lighter than air. The negative buoyancy is overcome with the application of engine power. The buoyancy can change
Zeppelin_NT
Watercraft capable of independent underwater operation
changing the amount of water and air in ballast tanks to affect their buoyancy. Submarines encompass a wide range of types and capabilities. They range
Submarine
Container to supply high pressure gas for diving operations
apparatus and oxygen first aid equipment because of their low weight, but are rarely used for diving, due to their high positive buoyancy. They are occasionally
Diving_cylinder
Rock held inside the intestinal tract
tadpoles of various anuran (frog) species has been observed to improve buoyancy control. Some extinct animals such as sauropod dinosaurs appear to have
Gastrolith
Ascent to the surface by a diver in an emergency
three basic mechanisms for ascending through the water column: Positive buoyancy, hydrodynamic thrust, and force directed through a static external object
Emergency_ascent
Class of mollusks
chemistry. Squids are the primary sufferers of negative buoyancy in cephalopods. The negative buoyancy means that some squids, especially those whose habitat
Cephalopod
swimmer Matthew Webb. Matthew Webb made the crossing without the aid of artificial buoyancy. His first attempt ended in failure, but on 25 August 1875, he
List of successful English Channel swimmers
List_of_successful_English_Channel_swimmers
Common name for several species of fish
Santiago G.; Malanga, Gabriela; Boy, Claudia C.; Vanella, Fabián A. (2012). "Buoyancy of sub-Antarctic notothenioids including the sister lineage of all other
Antarctic_fishes
Articulated pressure-resistant anthropomorphic housing for an underwater diver
Mobility underwater generally requires neutral or moderately negative buoyancy, and either the ability to walk or swim, or the use of finely controllable
Atmospheric_diving_suit
Bubbling decorative light
floor, occasionally with fake fish which "swim" up and down as they change buoyancy. These tubes are usually filled with distilled water, and have one or more
Bubble_light
Underwater diving using self contained breathing gas recycling apparatus
techniques, and either the dry suit or buoyancy compensator must be used for buoyancy control. The centre of buoyancy of the lungs and counterlungs must be
Rebreather_diving
Free-diving self-propelled deep-sea submersible
cabin must withstand a huge pressure differential and is massively built. Buoyancy at the surface can be trimmed easily by replacing gasoline in the tanks
Bathyscaphe
Structures of the Earth's mantle
The rest of the material is then carried upwards via chemically induced buoyancy and contributes to the high levels of basalt found at the mid-ocean ridge
Large low-shear-velocity provinces
Large_low-shear-velocity_provinces
Class of animals
Henderson, Donald M. (1 August 2003). "Effects of stomach stones on the buoyancy and equilibrium of a floating crocodilian: a computational analysis". Canadian
Reptile
Powered lighter-than-air aircraft
can navigate through the air flying under its own power. Aerostats use buoyancy from a lifting gas that is less dense than the surrounding air to achieve
Airship
before dying in freak car accident "Sky deep blue, sun very bright, sand [buoyancy compensator] all gone." — Hawthorne C. Gray, American aeronaut (4 November
List of last words (20th century)
List_of_last_words_(20th_century)
Links to Wikipedia articles on notable classes of inflatable goods
XP class lifeboat Y class lifeboat Bubble wrap Building Space habitat Buoyancy compensator (scuba diving) Castle Costume Delayed surface marker buoy Dunnage
List of inflatable manufactured goods
List_of_inflatable_manufactured_goods
Mass of fat found in all toothed whales
was once hypothesized that the melon had functions in deep diving and buoyancy, but these ideas are no longer considered plausible by cetologists. The
Melon_(cetacean)
British statesman and writer (1874–1965)
D-Day approached. Jenkins says he faced potential victory with much less buoyancy than when he defiantly faced the prospect of defeat four years earlier
Winston_Churchill
British volunteer cave diver who specialises in rescues
Neutral buoyancy facilities for Astronaut training Neutral Buoyancy Laboratory Neutral buoyancy pool Neutral buoyancy simulation as a training aid Neutral
John_Volanthen
Training to update existing skills and knowledge
with assessing critical skills like mask recovery and clearing, neutral buoyancy, ditching weights and ascent using an alternative air source. PADI suggest
Refresher_training
Self-propulsion of a person through water
locomotion by coordinating limb and body movements to achieve a level of buoyancy and hydrodynamic thrust that results in directional motion. For example
Swimming
Locating and recovering underwater objects
reserve capacity of the buoyancy compensator, the diver's skill in buoyancy control, and the consequences of a loss of buoyancy control. Anything heavier
Underwater search and recovery
Underwater_search_and_recovery
BUOYANCY AID
BUOYANCY AID
Female
Hawaiian
Hawaiian name MALANA means "buoyant; light."Â
Boy/Male
Arabic, Muslim
A Float; Buoyant
Boy/Male
Muslim
Jubilant, Buoyant, Active
Female
English
Perhaps a form of English Edith, AIDITH means "rich battle."
Male
English
Variant spelling of English Aidan, AIDEN means "little fire."
Boy/Male
Muslim
Afloat, Buoyant
Boy/Male
Arabic, Muslim
A Float; Buoyant
Girl/Female
Indian
Peaceful, Little rock, Latin, Wool, Greek, Hawaiian, Buoyant, To be gentle, Soft, Tender
Boy/Male
Arabic, Muslim
Jubilant; Buoyant; Active
Boy/Male
Muslim/Islamic
A float buoyant
Surname or Lastname
English (of Norman origin) and French
English (of Norman origin) and French : from Anglo-Norman French lo(u)vet, a nickname meaning ‘wolf cub’, ‘young wolf’ (see Love, Low).Scottish : variant of Lovat, a habitational name for a sept of the Frasers from Lovat near Beauly in Inverness-shire, so named from Gaelic lobh ‘rot’, ‘putrefy’ + the locative suffix -aid.
Girl/Female
American, Arabic, British, Christian, English, French, Gaelic, Greek, Indian, Muslim, Tamil, Traditional
Attractive; Fair; Good Looking; Little Rock; Rock; Comely; Light; Buoyant; Float; Buoyant or Float
Girl/Female
Muslim
Peaceful, Little rock, Latin, Wool, Greek, Hawaiian, Buoyant, To be gentle, Soft, Tender
Girl/Female
Irish
Formed like Aidan from aed â€fire.†Aideen loved her husband Oscar, a grandson of Fionn Mac Cool (read the legend), so much that when he fell in battle she died of a broken heart.
Girl/Female
Indian
Peaceful, Little rock, Latin, Wool, Greek, Hawaiian, Buoyant, To be gentle, Soft, Tender
Male
English
Anglicized form of Gaelic Ãedán, AIDAN means "little fire."
Boy/Male
Indian
Afloat, Buoyant
Surname or Lastname
English
English : probably a patronymic from James or any of various other personal names beginning with J-.Possibly also Greek : shortened and Americanized form of Iassonides, patronymic from the personal name IasÅn, which is derived from the Greek vocabulary word iasthai to ‘heal’. This was borne by a saint mentioned in St. Paul’s Epistle to the Romans, traditionally believed to have been martyred. In classical mythology this is the name (English Jason) of the leader of the Argonauts, who captured the Golden Fleece with the aid of Medea, daughter of the king of Colchis.
Female
English
Anglicized form of Irish Gaelic ÉtaÃn, AIDEEN means "face."
Girl/Female
Hawaiian
Buoyant; light.
BUOYANCY AID
BUOYANCY AID
Biblical
Haggi, a stranger
Male
English
 Short form of English Solomon, SOL means "peaceable." Compare with another form of Sol.
Girl/Female
Arabic
Grace
Boy/Male
Biblical
Spouse; bridegroom.
Boy/Male
Biblical
Made of milk or of fat; brother of the heart.
Female
Babylonian
, ("the lady"), par excellence.
Girl/Female
Spanish
Wise defender.
Boy/Male
Biblical
Toward him are mine eyes, or to him are my fountains.
Girl/Female
Greek
Lover of horses.
Male
English
Variant spelling of English unisex Keelan, KEELIN means "little companion."Â
BUOYANCY AID
BUOYANCY AID
BUOYANCY AID
BUOYANCY AID
BUOYANCY AID
n.
Conveyance on a buoyant medium, as air or water.
n.
The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.
n.
The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace.
pl.
of Buoyancy
n.
Buoyancy.
n.
Lightness; buoyancy; act of making light.
n.
The act or process of making buoyant.
v. t.
To make buoyant; to cause to float in the air; as, to levitate a table.
n.
Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.
v. t. & i.
Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits.
n.
A strong, buoyant boat especially designed for saving the lives of shipwrecked people.
n.
The quality of weighing less than something else of equal bulk; relative lightness, especially as shown by rising through, or floating upon, a contiguous substance; buoyancy; -- opposed to gravity.
n.
The upward pressure exerted upon a floating body by a fluid, which is equal to the weight of the body; hence, also, the weight of a floating body, as measured by the volume of fluid displaced.
a.
Not capable of being submerged; buoyant.
n.
Joyance.
v. t. & i.
Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury.
v. i.
To be moved, or to pass, on a buoyant medium; to float.
v. t. & i.
Bearing up, as a fluid; sustaining another body by being specifically heavier.
a.
Swimming on the surface; buoyant; light.