(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.
Otter
Definition:
(n.) Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.
(n.) The larva of the ghost moth. It is very injurious to hop vines.
(n.) A corruption of Annotto.
Example Sentences:
(1) The value of faecal analysis in assessing metal burdens during surveys of otters is discussed.
(2) Otters and sea eagles, which have made successful returns to waterways in recent years, would suffer as fish stocks dropped, for example.
(3) Leishmaniasis exist in two forms: One like bottom of orient with only skin alteration called leishmaniasis andina (uta for the indians), its propagated in the coast and the andean valleys at 200 m. (amount 1,200 to 3,000); the otter form affects the mycosis, called leishmaniasis americana (espundia for the indians), its it propagates general in the virgin forest.
(4) In the first year (1984) of a reintroduction study, 10 American river otters (Lutra canadensis) from Louisiana were transported to Oklahoma, held for 5 days for clinical evaluation, surgical implantation with intra-abdominal radiotelemetry devices, and then released in Oklahoma.
(5) The other otters have not changed their behavior following Logan’s death, the zoo said.
(6) Clinical and pathological observations of a naturally occurring disease in a British wild otter (Lutra lutra) are reported.
(7) Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris.
(8) crescens) was demonstrated as the causative agent in 5 cases of disease-in the badger (Meles meles), the otter (Lutra lutra) and the fox (Vulpes vulpes).
(9) An “unauthorized” pair of pants in an otter enclosure at the Calgary zoo has brought disciplinary action onto two employees, who were blamed for the death of a 12-year-old otter called Logan.
(10) In England, beavers are back on the river Otter , and otters on the river Trent.
(11) Photograph: PR We followed her advice, walking down to the stream in search of terrapins and otters, or through clusters of cork oak trees, their branches hairy with lichen like the ancient trees of a fairytale forest.
(12) Facebook Twitter Pinterest Come spring otters will hunt the vulnerable baby beaver kits.
(13) While we sat on the shore eating our lunch we watched the otter tucking into a butterfish with the same enthusiasm – and completely oblivious to our presence.
(14) In conclusion, before a causal link can be drawn between the status of mink and otter populations and exposure to organochlorine chemicals from the Great Lakes, a large amount of research and data analysis needs to be undertaken.
(15) The classic tale Tarka the Otter was written 90 years ago and my daughter and I thought we’d experience for ourselves some of the places author Henry Williamson brought so vividly to life.
(16) They are incredibly industrious animals and their hard work has benefits for people and wildlife.” There have been sightings of beavers on the Otter for the last decade.
(17) And in November an otter managed a "perilous" three-mile swim to the Farne Islands off the coast of Northumberland for the first time on record.
(18) Keep your eyes peeled for Spawning salmon or sea trout, kingfishers or dippers, or even an otter or a seal in the river.
(19) Clinical evaluation indicated that respiratory tract disease, bacterial and parasitic infections, and inanition may have contributed to the death of these otters.
(20) The origin of major functional shifts from changes in a small fraction of the genome is illustrated by polar bears, sea otters, warblers, vultures, and especially by humans.