What's the difference between buoy and buoyancy?

Buoy


Definition:

  • (n.) A float; esp. a floating object moored to the bottom, to mark a channel or to point out the position of something beneath the water, as an anchor, shoal, rock, etc.
  • (v. t.) To keep from sinking in a fluid, as in water or air; to keep afloat; -- with up.
  • (v. t.) To support or sustain; to preserve from sinking into ruin or despondency.
  • (v. t.) To fix buoys to; to mark by a buoy or by buoys; as, to buoy an anchor; to buoy or buoy off a channel.
  • (v. i.) To float; to rise like a buoy.

Example Sentences:

  • (1) The metacercaria-detecting buoy method was applied to rice fields fertilized with cattle manure for 7 days in mid-summer, as well as to fields located closely to cattle pens, but not fertilized.
  • (2) Spending, though, has continued to rise in line with Labour's plans, buoyed by growing expenditure on unemployment benefit as the jobless total has risen by over 600,000 in the past year.
  • (3) Helen Dickinson, chief executive of the BRC, described the Christmas period as a disappointing close to the year for retailers, who expected the “underlying momentum of an improving consumer environment buoyed by rising real incomes, low inflation and low unemployment” to feed into higher sales growth.
  • (4) Supporters of a change in the law were buoyed last month when voters in the US state of Washington decided to legalise assisted suicide, joining their state to a list of safe havens for the practice which includes the Netherlands, Belgium, Luxembourg, Switzerland and the US state of Oregon.
  • (5) Expectations for next month’s climate summit have been buoyed by fruitful talks held last year in Beijing, where China pledged to bring its emissions to a peak “around 2030”, and the US said it would cut its emissions by 26-28% of their 2005 level by 2025 .
  • (6) Cory Bernardi and George Christensen to raise funds for anti-Islam group Read more Returning from New York buoyed by the election of Donald Trump, Bernardi said in late November he realised “I have to be a part of that change, perhaps even in some way a catalyst for it”.
  • (7) He was buoyed by the experience of lifting Great Britain back to the top of world team tennis, but the effort clearly took its toll.
  • (8) Analysts have warned in recent weeks that al-Qaida in Iraq is regaining strength, its recruiting in the mainly Sunni northern and western provinces buoyed by a political crisis that has triggered widespread protests against the Shia-dominated government of Nouri-al Maliki by Sunni protesters.
  • (9) The richest Briton in the list remains the Duke of Westminster, who has dropped one place to fourth but seen his worth rise by £250m to £7bn – partly because foreign billionaires have buoyed the London property market, which accounts for a sizeable chunk of his empire.
  • (10) Senior party figures were buoyed by new YouGov polling that showed support for Labour had gone up.
  • (11) But after being mauled in the media for sartorial crimes – including a bright pink blazer and white shirt adorned with heart motifs – Hatoyama will be buoyed by the news that a Shanghai-based shirt-maker is selling copies of his most infamous garment as a tribute to his "individuality" .
  • (12) The self-declared sovereign Yidindji government has been buoyed by a “diplomatic exchange” with a senior Australian government minister who offered the first commonwealth recognition of its leaders at an event on their traditional country in north Queensland .
  • (13) Private developers have been buoyed by the first stage of the government's Help to Buy scheme, which offers buyers a 20% interest-free loan to enable them to purchase a new-build property with just a 5% deposit.
  • (14) The legs were floated with a small buoy as previously described (Toussaint et al., J. appl.
  • (15) Despite its own underwhelming performance at the local elections, Labour was buoyed as a new poll by Tory peer Lord Ashcroft showed that Ed Miliband's party was 12% ahead of the Tories in 26 key marginal battlegrounds.
  • (16) The wave was measured at a special buoy off the Donegal coast on Tuesday as a force ten storm raged.
  • (17) Buoyed by the oil and gas companies and fossil-fuel-funder mega-donors that increasingly bankroll their campaigns, most prominent Republican politicians have either denied that climate change exists or refused to stake out a clear position, citing their personal lack of scientific knowledge.
  • (18) It is understood the boats have been fitted out with fuel, food and water, navigation equipment, life jackets and life buoys for return journeys.
  • (19) While the City was buoyed by the profits rise, customer groups were concerned.
  • (20) The market has been buoyed in recent months by increased mortgage lending, the apparent result of the government's Funding for Lending scheme which launched in August 2012.

Buoyancy


Definition:

  • (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 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.
  • (n.) Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.

Example Sentences:

  • (1) And with our prayers and our love, and the buoyancy of hope, it will rise again now as a place of peace.
  • (2) Microbiologic examination of 29 juvenile green sea turtles with a buoyancy abnormality revealed pulmonary infection with Sporotrichium sp, Cladosporium sp, and Paecilomyces sp.
  • (3) Nevertheless, the buoyancy-mass relationship revealed that they maintain the same degree of positive buoyancy (approximately 10% above the neutral level) at surface as do Korean women divers who adjust counterweights.
  • (4) Morphological mutants of Caulobacter crescentus were isolated by selecting for cells that did not possess normal, buoyancy-conferring stalks.
  • (5) preparations composed of a directly compressed layer and a chitosan H membrane layer enclosing carbon dioxide (a foamy membrane layer), quickly developed buoyancy and also provided sustained release of drug.
  • (6) Plasma from these patients could induce an in vitro decrease of buoyancy in neutrophils with normal buoyant density.
  • (7) The lipid components of porpoise lipokeratinocytes appear to subserve not only barrier function in a hypertonic milieu, but also underlie the unique buoyancy, streamlining, insulatory, and caloric properties exhibited as adaptations to the cetacean habitat.
  • (8) Buoyancy was evaluated by the hydrostatic lift (HL), i.e., the maximal weight just necessary to maintain the swimmer in a balanced position under the water after a maximal inspiration.
  • (9) The Cs depends on performance level, body size, buoyancy, swimming technique and v.
  • (10) This "body density probe" carries several measuring rods of different diameter on its upper end, which lead to an increase of buoyancy when sinking deeper into the water after additional weights have been put on the device.
  • (11) However, vertical movements and gas-spitting responses indicated a possible hypothalamic control of buoyancy.
  • (12) From the experimental and analytical results, we conclude that, for this deformation, the regional volume-local transpulmonary pressure curve closely follows the pressure-volume curve because negative horizontal strains nearly balance the positive vertical strain caused by the buoyancy force.
  • (13) The full story here: U.S. consumer sentiment unexpectedly falls in November 3.00pm GMT Markets round-up Stock markets are digesting the much stronger-than-expected US non-farm payrolls numbers for October with traders trying to decide whether to buy on economic buoyancy or sell on the prospect of the Federal Reserve tapering its stimulus programme sooner rather than later.
  • (14) In contrast to our previous studies on the submersion of scuba divers in a state of neutral buoyancy, neither plasma beta-endorphin-like immunoreactivity (beta-EIR) nor affective feelings were significantly changes in scuba divers by mimicking diving pressures of 2 feet (0.6 m) and 50 feet (15.2 m) for 20 min in a hyperbaric chamber.
  • (15) Plasma beta-EIR was measured by radioimmunoassay in male scuba divers before and immediately after remaining motionless 10 ft under water in a state of neutral buoyancy.
  • (16) Archimedes' law of buoyancy has been extended to the preoperative bedside assessment of volume differences between breasts, whatever their cause.
  • (17) The specific gravity and buoyancy of 98 men were calculated at various lung volumes.
  • (18) The volume changes of hardening cements are measured with the buoyancy method.
  • (19) And if one will hold on, he will discover that God walks with him, and that God is able to lift you from the fatigue of despair to the buoyancy of hope, and transform dark and desolate valleys into sunlit paths of inner peace.” Reverend Pinckney and his congregation understood that spirit.
  • (20) Anatomic features of the pericardium and its fibrous attachments, and the physical principle of buoyancy account for this observation.