Definition of carrier in English:



  • 1A person or thing that carries, holds, or conveys something.

    ‘water carriers’
    • ‘As kids head back to school, they can now ditch their traditional paper, plastic and metal lunch carriers for a natural cotton canvas sack.’
    • ‘Lines of horse-boxes and animal carriers filled the streets from early morning and by noon there was not a spare parking spot between Muckduff and Cowell's Corner or anywhere in between.’
    • ‘Kira had left her with a blanket, the clothes she was wearing, a stuffed animal and the infant carrier.’
    • ‘Downstairs they found eight more dogs in pet carriers and a parrot in a cage.’
    • ‘Earlier in the week they met villagers who had trekked across the mountains to meet aid trucks carrying blankets, bedding, food and water carriers.’
    • ‘Then, the main body of troops/engineers/water carriers will arrive and pretend to be soldiers before, I suspect, running home very quickly.’
    • ‘They rescued the cats, putting two in a carrier and a third in a bag.’
    • ‘Juveniles will not be used as water boys/hurley carriers and players will not be allowed to engaged in ball practice during the half-time interval.’
    • ‘If not all the luggage can be taken with the mother and baby, a parcel carrier could be used instead of a taxi.’
    • ‘The leaflet gives information about safety harnesses, pet carriers, dog guards and travel cages or crates.’
    • ‘They will act as emergency water pumps and carriers and have been equipped to act as mobile workshops to maintain water supplies.’
    • ‘He then took the jute sack off the parcel carrier and worked his way through the hedge.’
    • ‘That was the trick to getting any sort of animal into a carrier - get the legs in, and the job was ninety-per-cent done.’
    • ‘As most cat owners know, the most difficult part about this task is getting the cat into the pet carrier.’
    • ‘The weather, though rather cloudy, was ideal for the occasion and in case dehydration set in plenty of water carriers were on standby.’
    • ‘Then I carried him to the entry way and as we rounded the corner (where the pet carrier awaited) I pulled the towel over his head.’
    • ‘If you want to use a T-perch on top of your bird carrier then allow your parrot to sit on the perch for a short time every day so that he/she gets used to it.’
    bearer, conveyor, transporter
    porter, runner, courier, delivery man, delivery woman, haulier
    View synonyms
    1. 1.1British A carrier bag.
      ‘a plastic carrier’
      • ‘French supermarkets, bless them, no longer give out flimsy plastic carriers.’
      • ‘Ironically, the manufacture and disposal of paper bags has a bigger environmental ‘footprint’ than plastic carriers.’
      • ‘I had started out with a buying fund of ten pounds and, by the time I'd walked up and down row after row of stalls, I had a couple of bits stuffed into my new bag and a plastic carrier filled with little goodies.’
      • ‘Something else struck me in the picture, and that was that the women going about their shopping all carried baskets or shopping bags, not a plastic carrier in sight.’
      • ‘These range from linen ‘eco-bags’ to thick plastic carriers and paper bags.’
      receptacle, container
      View synonyms
  • 2A person or company that undertakes the professional conveyance of goods or people.

    ‘the instruments can be sent by carrier’
    • ‘But in an echo of the battle between budget airlines and traditional carriers, existing train firms are trying to stop the services before they even run.’
    • ‘Private carriers for a York parcel delivery company were today rejoicing at the news that they are to be paid at last.’
    • ‘Bosses embarked on a programme of cost-cutting to reduce fees charged to airlines and entice new carriers, especially no-frills operators.’
    • ‘In terms of its obligations under European Union accession, Bulgaria has to end the monopoly of the state railways, BDZ, and open the market to private railway carriers.’
    • ‘Today Manchester Airport managing director John Spooner revealed it was only a matter of time before the popular no-frills carriers set up major operations in Manchester.’
    • ‘Time ran out for Sabena - which had made profits only twice in its 78-year history - and the ailing carrier ceased operations in November.’
    • ‘In contrast, the sea waybill is only a contract of carriage whereby the carrier undertakes to deliver the cargo to the person identified by the shipper as entitled to take delivery of the cargo.’
    • ‘The private carrier had earlier started services between Singapore and Mumbai.’
    • ‘Legislation drafted in February requires all member states to share airline-safety information, and tour operators to disclose the carriers being booked for their customers.’
    • ‘Since then, both carriers have undertaken costly modifications to ensure there can be no repetition of the disaster which killed all 109 people on board as well as four on the ground.’
    • ‘Tourism Ireland is also involved in co-operative marketing with carriers and the travel trade and promotions include new air services into the country.’
    • ‘The difference between the traditional airlines and low-cost carriers will be that with the no-frills operators the passenger will have to pay up for their snacks in the cabin.’
    • ‘Despite government financial aid, the nine largest US carriers had a combined third quarter loss of $2.43 billion.’
    • ‘The company was selling air fares on-line without being licensed as an air carrier, or a tour operator, or a travel agency.’
    • ‘Others opted to avoid the national carrier and travel with American Airlines, they added.’
    • ‘Following this week's collapse of Belgian airline Sabena, several more national carriers are under threat.’
    • ‘The carrier undertakes responsibility from the place of receipt or from the port of loading to the port of discharge or the place of delivery.’
    • ‘Pirin Tourist has become the most profitable group in the tourism industry, with an air carrier, a tour operator, and a chain of hotels.’
    • ‘Swiss Air Lines and Air France have become the latest European carriers to pull out of Manila, following British Airways, Alitalia and KLM.’
    • ‘Third party carriers deliver finished products directly to Jerome Cheese Company's customers from three shipping docks.’
    1. 2.1A vessel or vehicle for transporting goods in bulk.
      ‘the largest timber carrier ever to dock at Sharpness’
      • ‘The transport revolution meant liquor could be handled by a variety of means, each competing for custom: canoes with trains, carriers with lorries, cars, even bicycles.’
      • ‘The ship screened the escort carriers and performed antisubmarine warfare patrols.’
      • ‘To boost profits, it switched some carriers from dry bulk cargoes to coal, and raised freight rates for coal along the coastal region.’
      • ‘An oil slick surrounds the damaged carrier as an inflatable life raft deploys off her stern.’
      • ‘Two months ago a 50,000 tonne Filipino bulk oil carrier ran aground on a pristine section of coral reef in the Torres Strait.’
      • ‘China's efforts to cool the economy have led charter rates for dry cargo bulk cargo carriers to more fairly reflect supply and demand.’
      • ‘Indeed, the large bulk shipping carriers are queued up for weeks waiting to load basic ore and other items on the way to China.’
      • ‘In June another record will be set when five car carriers dock here - the most ever for any one month.’
      • ‘Large steamships were supplanting smaller sailing vessels as the main carriers of slaves.’
      • ‘Stage I includes 490 metres of wharf and facilities for bulk cargo handling, stock carriers and general cargo vessels.’
      • ‘China could use these vessels as helicopter carriers.’
      • ‘At the slightest hint of profitability, carriers begin bulking up and adding routes, which quickly undercuts profits and exacerbates huge losses when travel drops off.’
      • ‘Taylor added today would also see the port a lot busier than normal with three car carriers and two container vessels due to dock by noon.’
      • ‘More than 80 Land Rovers, trucks and all-terrain vehicles, ambulances, forklifts and bulk fuel carriers have been marked in regiment colours for the deployment.’
      • ‘The company provides container services, tanker and gas carriers, bulk and special services for offshore oil and gas companies.’
      • ‘Sasha looked at the opposite ridge and saw many Alliance vehicles, tanks, carriers and so on.’
      • ‘This new data is crucial to building an accurate account of the events that transpired aboard the Japanese carriers on the morning of 4 June 1942.’
      • ‘The organisation is aiming to have at least seven giant container carriers or ‘mother vessels’ by the end of the year.’
      • ‘All three navies also built many war emergency types: converted liners, light carriers based on cruiser hulls, and escort carriers based on merchant ship designs.’
      • ‘It is too large to be accounted for by vehicle diffusion, considering proton transport by acid carriers.’
    2. 2.2An aircraft carrier.
      ‘aircraft from the carrier Illustrious attacked the Italian fleet’
      • ‘At dawn the next day aircraft from Nagumo's carriers attacked Midway, causing widespread damage.’
      • ‘At the end of the Battle of Midway, all four Japanese carriers involved in the attack on Pearl Harbor had been sunk, while the United States lost the carrier Yorktown.’
      • ‘Britain has a naval task force of 27 ships led by the carrier HMS Illustrious on its way to the region to take part in a joint military exercise with Oman.’
      • ‘The aviation assets required would come from the U.S. Navy's carriers.’
      • ‘Type 22 frigate HMS Cumberland has been lending one of the Royal Navy's carriers a hand during a crucial training period.’
      • ‘Aircraft developer Boeing has achieved a major milestone in the flight test programme of the X - 32B Joint Strike Fighter which it hopes to sell to the Royal Navy for its future carriers.’
      • ‘Meanwhile, the US carriers attacked with their aircraft.’
      • ‘As of September 1971, an attack carrier would be able to respond to Gulf contingencies within two weeks.’
      • ‘A Japanese strike force of 188 aircraft launched from four carriers about 350 km Northwest of Darwin over two separate attacks.’
      • ‘Once he learned of the disaster that had struck his carriers, Admiral Yamamoto, still hundreds of miles to the west with the main battlegroup, reversed course.’
      • ‘The Royal Navy's carriers will, at 65,000 tonnes, be smaller, but they are likely to have the same propulsion system.’
      • ‘In the Second World War carriers replaced battleships as the capital ships of modern navies because aircraft could perform the functions of naval guns more effectively.’
      • ‘The Royal Navy has three carriers equipped with Harrier aircraft but its ageing assault ships have been decommissioned - Fearless only a fortnight ago.’
      • ‘Princess Margaret paid a call on HMS Illustrious - the carrier she launched 22 years ago.’
      • ‘The major problem facing the Royal Navy is that its carriers are too small.’
      • ‘The Ministry of Defence plans to build two new carriers for the Royal Navy at a cost of about £3.6 billion.’
      • ‘In the long-term, trials are likely with the RN's future carriers HMS Queen Elizabeth and Prince of Wales.’
      • ‘He opened a channel with the USS Carl Vinson, the command carrier of the naval force.’
      • ‘These weren't frigates, cruisers, carriers or even battleships.’
      • ‘The 32 warships of the Royal Navy included five carriers, six cruisers, seven destroyers, and 14 frigates.’
    3. 2.3A company that provides facilities for conveying telecommunications messages.
      ‘Japan's biggest international telecoms carrier is Singapore Telecom’
      • ‘Nortel Networks has secured optical infrastructure contracts with three China Telecom regional carriers.’
      • ‘Its most valuable customers are those with complex networking needs, and increasingly telecommunication carriers and internet service providers.’
      • ‘While the large telecom carriers may have been slow to answer the call, they are certainly listening now.’
      • ‘Over 40 international telecoms carriers currently do their billing with the company.’
      • ‘The company's main customers are large businesses and telecommunications carriers.’
      • ‘Both carriers are using fixed wireless to provide a bundle of services to business customers in the 40 to 60 markets where they also offer fiber connections.’
      • ‘In order to make Ethernet successful in metro networks, it indeed needs to evolve to meet requirements of service providers and carriers.’
      • ‘Phone companies and telecommunications carriers have been up on the block since British Telecom was sold almost two decades ago.’
      • ‘The carriers have heard the message and are attempting to move in that direction.’
      • ‘Since the government began to privatise the telecommunications carrier, basic telephone charges have increased by 160 to 220 percent.’
      • ‘The major telecom carriers all see wireless data as an important growth market, and they plan to package voice and data services into a one-stop-shop offering.’
      • ‘It is now up to cellular carriers and application providers to offer the right products and services to meet this demand.’
      • ‘In international trade, however, the lowest-cost carrier who provides acceptable service normally prevails.’
      • ‘Seven sells software to telecom carriers who manage wireless networks for corporate clients.’
      • ‘Courts are auctioning off equipment that belonged to bankrupt carriers and Internet service providers for 10 cents on the dollar.’
      • ‘In the meantime, what are the winning strategies for telecom carriers?’
      • ‘This new company would serve multi-national business customers, international carriers and Internet service providers worldwide.’
      • ‘To meet these needs, a new category of system is now being deployed by carriers and service providers around the world.’
      • ‘The dominant players in telecom outsourcing are long-distance carriers like AT&T, WorldCom and Sprint.’
      • ‘Telecommunications carriers have to upgrade systems and equipment for state-of-the-art digital services.’
  • 3A person or animal that transmits a disease-causing organism to others, especially without suffering from it themselves.

    ‘the badger is a carrier of bovine tuberculosis’
    • ‘These carrier animals could cause a new outbreak.’
    • ‘Two of the carriers were a cardiothoracic surgeon and a perfusionist.’
    • ‘Asymptomatic carriers can introduce the organism into new populations.’
    • ‘The animal has been portrayed as a good sheep dog, a carrier of the needed aid, a messenger in the time of war, a seeing eye to the physically impaired, of simply a trusty household pet.’
    • ‘Approximately two-thirds of these people with chronic infection do not themselves get sick or die of the virus, but they are carriers and can transmit it to other people.’
    • ‘They cause dairy and deer farmers anxiety as they are carriers of bovine tuberculosis.’
    • ‘If you see any mice, rodents or other potential carriers of those dangerous fleas, kill them immediately.’
    • ‘Sufferers of leprosy and tuberculosis as well as carriers of the germs responsible for those diseases are particularly at risk of this false positive reaction.’
    • ‘Tsetse flies are carriers of trypanosomes - the parasites transmitted by their bites, which cause sleeping sickness in men and cattle.’
    • ‘The problem with existing vaccines is that vaccinated animals can be carriers of the disease even though they do not show any symptoms.’
    • ‘For instance, rabies can be controlled by avoiding rabid or any stray dogs coming into contact with sheep, as the dogs that may be carriers of the disease may bite them, and transmit the disease.’
    • ‘Roughly 5 percent of those who contract the illness become chronic carriers - excreting the typhoid bacteria in their stools for more than a year.’
    • ‘It is known, however, that smallpox cannot be spread by an animal carrier, and therefore that method of transmission does not need to be considered.’
    • ‘Rabies is most frequently transmitted to people by dogs, and so is most feared where dog populations are densest, although rural dogs and various wild animals are also carriers.’
    • ‘One solution commonly proposed to address disease outbreaks is to eliminate entire populations of the carrier animals.’
    • ‘It is an old enemy, the lethal form of a familiar virus, and a threat that has recurred down the centuries with animals the carriers, as the plague was spread by rats.’
    • ‘The farmers were asking for government subsidies for the losses they have suffered due to fears that the animals are potential carriers of the virus.’
    • ‘Some infected but asymptomatic patients may be carriers.’
    • ‘When the carrier insect feeds on a warm-blooded animal, the eggs hatch and the larva penetrates the skin.’
    • ‘The dog is the important carrier or reservoir of rabies.’
    1. 3.1An individual that possesses a particular gene, especially as a single copy whose effect is masked by a dominant allele, so that the associated characteristic (such as a hereditary disease) is not displayed but may be passed to offspring.
      ‘the husband and wife may both be carriers of the same recessive gene, with a 25% chance of a diseased child’
      • ‘If they have one copy of the gene they are carriers.’
      • ‘Premature ovarian failure occurs in up to 20 percent of women who are premutation carriers of the FMR1 gene.’
      • ‘A male can't pass the gene for hemophilia to his sons, though all his daughters will be carriers of the disease gene.’
      • ‘And there is a 25% chance that the baby will be completely free of the gene - not a carrier and not have the disease.’
      • ‘Because women have two X chromosomes, one defective gene is not sufficient to cause the disease; instead women serve as carriers, passing the bad gene to sons.’
      • ‘There is a 50% chance with each pregnancy that a carrier female will pass on the abnormal recessive gene.’
      • ‘In the 1980s, there was no test to identify a carrier of the recessive gene for Canavan disease and no test to identify a fetus with the disease.’
      • ‘Genetic tests can also be used to establish a diagnosis or identify gene carriers prior to the onset of symptoms.’
      • ‘Counseling and education regarding the trait are important because the sickle gene can be passed to a carrier's children.’
      • ‘Counseling regarding the trait is important because the hemoglobin gene can be passed on to a carrier's child.’
      • ‘Kennedy's Syndrome occurs only in males, although 50% of female offspring are carriers.’
      • ‘If they inherited one good copy and one mutant copy they would be carriers of the disease, while remaining healthy themselves.’
      • ‘People with one normal gene and one sickle gene are carriers of the abnormal gene.’
      • ‘There is a two-in-four chance that the child will inherit one of each kind of gene and be a carrier like the parents and free of disease.’
      • ‘Daughters cannot inherit the disease in this way but can become carriers and pass it down to their sons.’
      • ‘If no disease is present then the gene is recessive; the person is a carrier, but may pass on the defective gene to the offspring.’
      • ‘An unaffected carrier male will pass on the pre-mutation to all of his daughters but to none of his sons.’
      • ‘According to the organisation, one in every 40 people is a genetic carrier of the disease and one in 6,000 babies is born with the disease.’
      • ‘Between one and three percent of the Amish people of Lancaster County Pennsylvania are believed to be unaffected carriers of the disease, having just one copy of the altered gene.’
      • ‘A child can only have Tay-Sachs disease if both parents are carriers of the gene.’
  • 4A substance used to support or convey another substance such as a pigment, catalyst, or radioactive material.

    • ‘The administration of ‘blood, red blood cells, artificial oxygen carriers and related blood products’ is banned.’
    • ‘Quinine and caffeine are two distinguished carriers of such alkaloids.’
    • ‘Use caution when using a nitrogen fertilizer as the carrier in mixtures.’
    • ‘Castor oil is also a source of glycerine, and the combination of glycerine and hydroxy fatty acids makes it an excellent emollient and pigment carrier.’
    • ‘This simultaneously reduces the number of free carriers in the material.’
    • ‘Case Slick uses an alcohol carrier that evaporates and leaves just a little lube on the case.’
    • ‘An essential part of some carrier substances are the fixed oils and waxes.’
    • ‘The production of salves, creams and lotions will require some or all of the following which are used as the carriers for the active substances.’
    • ‘In the form of iodized salt, it is a carrier of iodine.’
    • ‘A film is printed onto a carrier of polyvinyl alcohol.’
    • ‘Ethanol functions as a carrier for the perfume oils.’
    • ‘Argon is also an ideal carrier gas, a propellant with no propensity to react.’
    • ‘‘Methanol is still a good carrier of hydrogen for fuel cell use,’ Browning says.’
    • ‘Paints are made up of four components: pigment, binder, solvent/liquid carrier and additives.’
    • ‘This radioactive source constantly gives off high-energy electrons, which collide with the sample molecules and the carrier gas to form ions.’
    • ‘Flux injection is a relatively new process in which fluxing compounds are introduced into the molten metal by a mechanical device using an inert gas carrier.’
    • ‘Herbicides can be applied in combination, using either water or liquid fertilizer as a carrier, to decrease trips over the field.’
    1. 4.1Physics
      short for charge carrier
    2. 4.2Biochemistry A molecule that transfers a specified molecule or ion within the body, especially across a cell membrane.
      • ‘The transcellular pathway involves the movement of ions across the cytoplasm via plasma membrane channels, carriers, and exchangers.’
      • ‘Today we recognise that viruses are gene carriers just as lipoproteins are the cholesterol/fatty acid carriers of the body's circulatory system.’
      • ‘This protein, a carrier of small hydrophobic molecules including retinoic acid, has the potential to modulate lymphatic responses.’
      • ‘Like insulin, glucagon lacks a plasma carrier protein, and like insulin its circulating half life is also about 5 minutes.’
      • ‘The plasma membrane is the first biological barrier encountered by the ODN carriers on their way into the cell cytoplasm.’