What's the difference between dolphin and porpoise?

Dolphin


Definition:

  • (n.) A cetacean of the genus Delphinus and allied genera (esp. D. delphis); the true dolphin.
  • (n.) The Coryphaena hippuris, a fish of about five feet in length, celebrated for its surprising changes of color when dying. It is the fish commonly known as the dolphin. See Coryphaenoid.
  • (n.) A mass of iron or lead hung from the yardarm, in readiness to be dropped on the deck of an enemy's vessel.
  • (n.) A kind of wreath or strap of plaited cordage.
  • (n.) A spar or buoy held by an anchor and furnished with a ring to which ships may fasten their cables.
  • (n.) A mooring post on a wharf or beach.
  • (n.) A permanent fender around a heavy boat just below the gunwale.
  • (n.) In old ordnance, one of the handles above the trunnions by which the gun was lifted.
  • (n.) A small constellation between Aquila and Pegasus. See Delphinus, n., 2.

Example Sentences:

  • (1) October 27, 2013 7.27pm GMT Around the league And here’s how things look elsewhere, as we head into the fourth quarter: Cowboys 13-7 Lions Browns 17-20 Chiefs Dolphins 17-20 Patriots Bills 10-28 Saints Giants 15-0 Eagles 49ers 35-10 Jaguars 7.25pm GMT End of 3rd quarter: 49ers 35-10 Jaguars The quarter ends with the Jaguars facing a third-and-one at their own 32.
  • (2) In 2005, Westbrook bought the £190m head lease for Dolphin Square, once the largest block of flats in the world with a colourful list of former residents, including more than 70 MPs, at least 10 Lords and a number of intelligence agency personnel.
  • (3) Tony Dolphin, the chief economist at the IPPR thinktank, said: "Any reasonable person might say, these departments are already suffering swingeing cuts, and we're seeing reductions in frontline services: how can you possibly say you're going to take another 1% off without affecting services?"
  • (4) We examined four dolphins (Grampus griseus) of 582 mass-stranded.
  • (5) Vote for me, and I will complete the job of rebalancing it... January 28, 2014 12.03pm GMT Britain's businesses need to stop sitting on their cash piles and crank up their investment, argues IPPR’s chief economist Tony Dolphin: “The news that manufacturing is growing is welcome.
  • (6) The adults of the trematode occurring in the nasal sinuses and posterior nasal passage of the dolphins are considered as practically harmless for the host but thier eggs, aspirated deep into the bronchial tree, may initiate a foreign-body of inflammatory reaction in the lungs and continuous aspiration of such eggs may provoke a chronic pneumonia condition.
  • (7) The primary structure of this myoglobin proved identical with that from the Atlantic bottlenosed dolphin, Tursiops truncatus, but showed four substitutions with respect to the sequence reported for the Black Sea dolphin which has also been given the designation Delphinus delphis.
  • (8) In the dolphin peculiar architectonics have been observed in the nucleus gigantocellularis medullae oblongatae, nucleus papillioformis or the nucleus reticularis tegmenti Bechterewi and the nucleus centralis superior medialis seu ventralis.
  • (9) While jobs growth may have been strong during these three years of decent economic growth, it was disproportionately in low value-added – and low-paid – sectors of the economy,” Dolphin said.
  • (10) The previous government set a number of conditions on the development, to offset the impact on seagrasses, which are vital to the survival of dolphins, turtles and dugongs.
  • (11) He paid women in prostitution for their services in a grace and favour flat in Dolphin Square for which he pays £1,000 a month instead of the going rate of nearly £3,000.
  • (12) I take a small kayak, I see electric eels, dolphins.
  • (13) Its not just about dolphins, but human greed as well.
  • (14) In a speech which criticised the government's health reforms, Dolphin encouraged delegates to back strike action to defend their pensions.
  • (15) One of the reported claims against Incognito, which he has denied, is that he pressured Martin, a left tackle in his second year with the Dolphins, to pay $15,000 towards an unofficial players’ trip to Las Vegas that he did not attend.
  • (16) Richard Kerr will tell the programme that he was abused at Dolphin Square and the Elm Guest House in Barnes, south-west London – two locations that are at the centre of allegations about an elite paedophile ring involving politicians, senior military officers and, in his words, “men who had control and power over others”.
  • (17) A 21-yr-old male Atlantic bottlenose dolphin (Tursiops truncatus) was performing at an aquatic park when it developed a soft tissue swelling anterior to the flukes.
  • (18) It had been alleged that a high-profile paedophile ring was operating out of Dolphin Square, in Westminster, allegedly involving the late former prime minister Edward Heath and other establishment figures.
  • (19) Tackle the Humpback Dolphin trail and watch the surfers crest waves at Pollock Beach.
  • (20) World's wildlife being pushed to the edge by humans - in pictures Read more Pollution is also a significant problem with, for example, killer whales and dolphins in European seas being seriously harmed by long-lived industrial pollutants .

Porpoise


Definition:

  • (n.) Any small cetacean of the genus Phocaena, especially P. communis, or P. phocaena, of Europe, and the closely allied American species (P. Americana). The color is dusky or blackish above, paler beneath. They are closely allied to the dolphins, but have a shorter snout. Called also harbor porpoise, herring hag, puffing pig, and snuffer.
  • (n.) A true dolphin (Delphinus); -- often so called by sailors.

Example Sentences:

  • (1) Using the evoked potential technique, studies have been made on localization of the projectional sensory areas in the cerebral cortex (visual, acoustic and somatosensory) of the porpoise T. truncatus.
  • (2) However, the Whale and Dolphin Conservation Society said electronic pingers could already be used under current EU nature laws, which also protect porpoises from trawling, dredging, pile driving and noise from military sonars.
  • (3) Immunoperoxidase staining revealed the presence of morbillivirus antigen in a range of epithelia from both porpoises.
  • (4) Port Gaverne , a little cove near Port Isaac always described as "quaint", is a good place to watch seals (and occasional basking sharks, dolphins and porpoises), go fishing or rummage in rock pools.
  • (5) I would like to spend more time there because it’s very quiet, it’s very beautiful, you’re surrounded by nature, and as you look out across Kilbrannan Sound you can see schools of porpoises go past.
  • (6) 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.
  • (7) Thirty-six harbor porpoises, Phocaena phocaena, were caught off the coast of Southern New Brunswick and Nova Scotia as part of a study of the biology and ecology of these animals.
  • (8) Six harbor porpoises (Phocoena phocoena) found stranded on the coast of Northern Ireland in late 1988 were submitted to our laboratory for necropsy.
  • (9) The porpoise, an air-breathing mammal whose habits are entirely aquatic, presents special problems of respiration, sleep, and anesthesia.
  • (10) The critical period of limb development in southern minke whale was shown to be at a stage between that in the small sized species; Common Porpoise, Phocoena communis and Striped Dolphin, Prodelphinus caeruleoalbus, and in large one; Humpback Whale, Megaptera nodusa.
  • (11) Similar features in mechanisms of discrimination of paired impulses in man and porpoise are noted.
  • (12) Studies have been made on the oxygen consumption in different parts of the cardiac muscle, as well as in deep and subcutaneous muscles of the porpoise Phocaena phocaena.
  • (13) It differs from the myoglobins of the dolphin in 6, of the porpoise in 8, and of the sperm whale in 14 positions.
  • (14) Early foetuses of the harbour porpoise (46 and 65 mm CRL) already exhibited a variety of typical odontocete brain features, such as absence of olfactory bulb, thick cochlear nerve, and strong progression of brainstem structures.
  • (15) Lymphoid depletion was apparent in the spleen, thymus and lymph nodes of both porpoises.
  • (16) Using DNA analysis of the the bite wounds, a Dutch team examined 721 of 1,081 porpoises that were stranded between 2003 and 20013 along the Dutch coastline and found that nearly one in five had been killed by seals.
  • (17) Afterwards, head up to the nearby Iron Age hillfort at Bolt Tail for spectacular sunsets and the chance to spot dolphins and porpoises.
  • (18) He saw a shoal of porpoises and a stormy petrel skimming over the waves and read "Humboldt's glowing accounts of tropical scenery.
  • (19) Video captured last year appeared to show a grey seal eating a harbour porpoise off the coast of Pembrokeshire , while one study laid the blame for a series of mystery porpoise deaths off the Dutch coast on greys .
  • (20) They reported no further sightings until 10.40am, when they confirmed their boat Marine 2 was “following a pod of about five harbour porpoises in the Lambeth area of the river.” MPSonthewater (@MPSonthewater) Breaking #dolphin news.. Marine 2 are following a pod of about 5 harbour porpoises in the Lambeth area of the river.