(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.
Tusk
Definition:
(n.) Same as Torsk.
(n.) One of the elongated incisor or canine teeth of the wild boar, elephant, etc.; hence, any long, protruding tooth.
(n.) A toothshell, or Dentalium; -- called also tusk-shell.
(n.) A projecting member like a tenon, and serving the same or a similar purpose, but composed of several steps, or offsets. Thus, in the illustration, a is the tusk, and each of the several parts, or offsets, is called a tooth.
(v. i.) To bare or gnash the teeth.
Example Sentences:
(1) The European council president, Donald Tusk, said the incident underlined the importance of EU attempts to revamp Europe’s border force.
(2) Civic Platform, led for most of its existence by Donald Tusk before he became president of the European Council, included many of the liberal architects of the post-1989 republic and their supporters – those who had negotiated the transition, those who determined its free-market economic model, those who established a conciliatory tone and pro-European orientation in foreign policy, those who negotiated the constitutional settlement reached in 1997.
(3) The two men appear to be discussing Tusk's fallout with Cameron over the latter's proposals to curb access to benefits: "What the fuck are they on about with these benefits?"
(4) Lech Kaczynski obituary Read more Many followers of Jarosław Kaczyński think the plane was downed by an intended blast and blame Russia and Poland’s prime minister at the time, Donald Tusk, who is now the president of the European Union.
(5) Yang Feng Glan is accused of smuggling 706 elephant tusks worth £1.62m from Tanzania to the far east.
(6) "The PM and Prime Minister Tusk discussed the EU targeted measures approved today and agreed that the EU should continue to look at the ways it can promote a peaceful and democratic settlement in Ukraine, recognising that continued violence will make it harder to reassure all Ukrainians that their legitimate aspirations will be realised."
(7) Tusk added that Eurozone finance ministers could endorse cash in return for the proposed tax and pension reforms by Wednesday evening.
(8) EU renegotiation: UK wins partial concession on migrant worker benefits Read more In a major boost to David Cameron, who laid the ground for a short referendum campaign to keep Britain in a reformed EU after Donald Tusk published his proposals, the home secretary said progress had been made in the negotiations.
(9) She wants it to be a smooth, constructive, orderly process.” With speculation rife about how Britain plans to conduct the negotiations, Tusk wants to avoid a discussion and will not invite other EU leaders to respond.
(10) Tusk offered a declaration that the UK is “not committed to further political integration”.
(11) There has been a spate of thefts of rhino horns and elephant tusks from European museums, zoos and auction houses in recent years, amid a rising illegal trade in poached or stolen ivory .
(12) As the talks quickly broke down in Luxembourg, in Brussels, Donald Tusk, the president of the European council, promptly convened an emergency leaders’ summit on Monday evening, putting the onus on both Merkel and Tsipras as the two key leaders to bend towards concessions to clinch a deal.
(13) It shows how important our discussion was … We are ready to help rebuilding of control of our external borders,” European council president Donald Tusk said in Brussels.
(14) To say that it is a Pandora’s Box is too little.” Tusk’s comments were the first delivered publicly on the British issue since he took office as European council president in December.
(15) Updated at 8.22am GMT 7.40am GMT Coming up at Davos Here's an agenda: • 9.30am CET (8.30am GMT): Henry Kissinger speaks on “The state of the world” • 10.30am CET: David Cameron gives a "special address" • 11am CET: Enda Kenny, Mario Monti, Mark Rutte and Donald Tusk discuss the eurozone crisis • 2.15pm CET: Angela Merkel gives a "special address" • 2.45pm: George Osborne discusses an "economic insight" (your guess is as good as ours!)
(16) First, because of the shape of the growth curve of tusks with age, the conversion factor that relates the number of elephants killed to the ivory yield in weight is not constant, but a function of the population size.
(17) Florian Siepert (@siepert) @Simon_Burnton As Hungary has neither a coast nor tusked mammals, Ivory Coast translates as Elephant Bone Bank in Hungarian.
(18) Donald Tusk, who chairs EU summits as president of the European council, said the EU should agree to share at least 100,000 refugees.
(19) There the message is that everything in the Tusk-Cameron document is marginal, even meaningless, though simultaneously a threat to our whole way of life.
(20) This tusk specimen contains a metal spear with a wooden component, which is surrounded by a quiver-like osseous encasement.