(a.) Pertaining to, or situated under, the northern constellation called the Bear; northern; frigid; as, the arctic pole, circle, region, ocean; an arctic expedition, night, temperature.
(n.) The arctic circle.
(n.) A warm waterproof overshoe.
Example Sentences:
(1) Undaunted by the sickening swell of the ocean and wrapped up against the chilly wind, Straneo, of Woods Hole Oceanographic Institution, one of the world's leading oceanographic research centres, continues to take measurements from the waters as the long Arctic dusk falls.
(2) Cameron famously broke with the past, and highlighted his green credentials, by posing with huskies on a visit to Svalbard in the Norwegian Arctic in 2006.
(3) The compromised ice sheet tilts and he sinks into the Arctic Sea on the back of his faltering white Icelandic pony.
(4) Called arctic packs, the insulating material consists of crude oil or diesel fuel.
(5) The loss of summer sea ice has led to unusual warming of the Arctic atmosphere, that in turn impacts weather patterns in the northern hemisphere , that can result in persistent extreme weather such as droughts, heatwaves and flooding," she said.
(6) ScalesOfJustice 18 September 2013 12:47pm If we go back to 1998, it appears as though global temperatures have stopped increasing, however Arctic temperatures have increased quite strongly - hence the strong decline in sea-ice since 1998.
(7) It should see the Arctic 30 home in time for Christmas.
(8) The other rowers in the Arctic crew were Billy Gammon, 37, from Cornwall; Rob Sleep, 38, and British army officer Captain David Mans, 28, both from Hampshire.
(9) Summer sea ice The most striking change in the Arctic in recent years has been the reduction in summer sea ice in 2007 .
(10) In addition, another 25 million acres of state and federal lands in the U.S. Arctic — onshore and off — are open to oil and gas leasing; of that,13.5 million acres have already been leased.
(11) Updated at 9.00pm GMT 8.52pm GMT How happy are Arctic Monkeys right now?
(12) "But if it keeps their plight and the plight of the Arctic in the press, I think she would be happy to do it."
(13) Photograph: NSIDC This contrasts sharply with the continuing decline of sea ice in the Arctic, which again recorded below average levels of ice during the summer.
(14) A British oil firm will tomorrow announce that it has struck oil off Greenland, a find that could trigger a rush to exploit oil reserves in the pristine waters of the Arctic.
(15) Using automatic and observer-operated equipment for monitoring thermal data, observations have been made during Royal Navy Wessex 5 helicopter operations in a sub-Arctic climate.
(16) The investigators said the Greenpeace ship the Arctic Sunrise had violated the 500-metre security zone around the platform and that it was carrying equipment whose purpose was still unclear.
(17) "The [Inupiat] people who have thrived off the Arctic waters for thousands of years and those who treasure the Arctic's unique wildlife will continue to demand that the Obama administration not allow Shell to move forward."
(18) The US Geological Survey estimated the waters in the Arctic contain about 90bn barrels of recoverable oil.
(19) 3.20pm BST Reaction from drilling industry Statoil spokesperson Bård Glad Pedersen says the Norwegian oil and gas company is exploring the Arctic through a step-by-step approach that builds on decades of experience in cold water regions.
(20) It’s time for governments, business and people the world over to respond and the most obvious place to start is by calling a halt to Shell’s reckless search for Arctic oil.” NSIDC is yet to provide a full analysis of this year’s melt, noting that there is a chance that changing wind patterns or low season melt could see the ice recede further.
Narwhal
Definition:
(n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.
Example Sentences:
(1) Documents seen by the Guardian show that Mittal's company, the world's biggest steel-making group, ArcelorMittal , admits the operations will be undertaken in an area inhabited by unique wildlife including polar bear, narwhal and walrus.
(2) The evolution of the component was studied after sequencing the component in different odontocetes representing the Delphinidae (delphinids), Monodontidae (narwhals), and Ziphiidae (beaked whales).
(3) As sea ice melts, the bowhead whale and the narwhal will lose protective cover, while other species such as the ringed seal will struggle to breed.
(4) "Ned was stalking me, baiting me, hunting me, much as he was the demon narwhal, albeit with more subtlety than force.
(5) Values for Young's modulus of elasticity, ultimate and yield stresses, ultimate and yield strains, work under the stress-strain curve and work of fracture were obtained from tensile and bending tests on specimens of narwhal tusk dentine and cement, femoral bone from young and mature cattle, and reindeer antler.
(6) In general, the mechanical properties of the narwhal tusk tissues were as would be expected from their mineral content, except that the stiffness of the cementum was low.
(7) The statement outlines how marine mammals are also found in abundance in the region including polar bears, narwhals, beluga whales and blowhead whales while migratory birds include snow geese, rough-legged hawks and gyro-falcons.
(8) Narwhal (Monodon monoceros) liver and kidney cytosol were fractionated by gel chromatography, anion-exchange chromatography and electrophoresis.
(9) The narwhal dentine was considerably softer and less mineralized than human and cattle dentine.
(10) Remarkably high cadmium levels are found in kidney and liver of narwhal (Monodons monoceros) from western Baffin Bay (mean of 63.5 micrograms g-1) and western Greenland waters (median of 39.5 micrograms g-1).
(11) It is likely that narwhal dentine is not very similar to human and cattle dentine in its mechanical properties.
(12) Compared with the cattle bone the narwhal tissues had low Young's moduli, low yield stresses, rather low ultimate stresses and high ultimate strains.
(13) Human cementum was softer and less mineralized than cattle cementum, and was like narwhal cementum.
(14) The calcium content and hardness of the narwhal tissues were compared with those of human and cattle dental tissues.