Definition of one-way in US English:



  • 1Moving or allowing movement in one direction only.

    ‘a one-way valve’
    • ‘At the beginning of expiration, you tum the valve creating a one-way valve that only allows expiratory airflow.’
    • ‘But if outsourcing is not mentioned as a reason when call centre numbers are reduced then perhaps the drift abroad is not the inevitable one-way movement that we all feared.’
    • ‘To keep blood from flowing backward, veins have built-in one-way valves that temporarily dam up the river of blood.’
    • ‘And the Fresh Air's one-way valve honks when you exhale, emitting a sound akin to the call of an amorous sea lion.’
    • ‘It occurs when a one-way valve mechanism is present, enabling entry of air into the pleural space and not permitting its escape.’
    • ‘For those of you that don't know what is going on inside your body, veins, unlike arteries, contain one-way valves at intervals, which are vital for the veins to function normally.’
    • ‘In some cases, a chest tube can be left in for one or two days and can be attached to a one-way Heimlich valve or to a water-seal device allowing ambulation.’
    • ‘For example, I needed a diagram to demonstrate the concept of one-way valves in the veins of a horse's legs, so I typed in valve vein and pressed enter.’
    • ‘Tension pneumothorax occurs when pleural damage results in a one-way valve phenomenon allowing air to enter, but not exit, the pleural space.’
    • ‘There are 4 chambers, two upper and two lower, separated by one-way valves.’
    • ‘This means that coffee should be packed in an airtight foil laminated bag with a one-way air valve to allow the bag to de-gas.’
    • ‘Enter Geoff Davey from Reflective Images - the company that produces the new wet weather ensemble - with a design for a one-way valve, the first ever in a combat boot.’
    • ‘The 25-ft wide flyover is just enough for one-way vehicle movement.’
    • ‘It is a one-way conduit for moving excess water, proteins, and molecules back into circulation.’
    • ‘The flow is helped by a series of one-way valves in the veins that only allow the blood to move upwards (against gravity).’
    • ‘Fabricius, who was fascinated by anatomy, recognised that the veins in the human body had one-way valves, but was puzzled as to their function.’
    • ‘After the arteries deliver blood to your arms and legs, your veins channel blood back to the heart using one-way valves.’
    • ‘This can be done with a finger, or with a one-way speaking valve like those manufactured by Passy-Muir.’
    • ‘Which is why most quality coffee now comes in bags which are flushed with an inert gas such as nitrogen to get rid of the air before sealing, and have a one-way valve that lets the carbon dioxide out without air getting in.’
    • ‘The capsule admits afferent lymphatic vessels containing valves that provide one-way flow into the subcapsular sinus.’
    1. 1.1 (of a road or system of roads) along which traffic may pass in one direction only.
      • ‘The next street over was one-way in the wrong direction, but one block further on he turned right again, easing behind a city bus.’
      • ‘It includes a signposted route along Sim Balk Lane and a one-way system along Campleshon Road and Knavesmire Road which was starting earlier than for Ascot.’
      • ‘He told members that the proposed plan does not preclude the retention of a one-way system on Distillery Road, and accepted that this might be a good idea.’
      • ‘Some journeys it would take off a mile because you would be able to miss out the ring road and one-way system and save time and money for the customers.’
      • ‘Off to the west is what was once Legion Avenue, where steady streams of cars and trucks barrel in from the suburbs or head out to them along twin one-way roads given over entirely to traffic.’
      • ‘Motions have already begun in City Hall to keep the street one-way, with a public hearing slated for June 10.’
      • ‘Police allowed people to park along the road leading from Avebury to West Kennett and operated a one-way system for traffic.’
      • ‘One of Ilkley's busiest shopping streets will become one-way for three weeks as major work begins to revamp the street.’
      • ‘As a result, there is only one-way access to Sarsfield Street at the moment.’
      • ‘The street itself is one-way, with no entry from the circle near Ulsoor police station.’
      • ‘For the past year, works have prevented the passage of major traffic through the estate and recently residents voted to make the street one-way.’
      • ‘These improvements will immediately allow traffic to flow smoothly and without interruption, aided by making Broome Street one-way from St Finbar.’
      • ‘The one-way system diverts traffic coming into Kempston via Ampthill Road, while motorists travelling into Bedford can only use the congested Bedford and Kempston Road.’
      • ‘Five miles along a motorway in the Midlands may take less than two minutes, but five miles across London can take a lifetime of traffic jams, one-way systems, waiting on platforms and changing trains.’
      • ‘He also suggested City of York Council should consider making the Fulford Road-Fishergate-Cemetery Road circuit a large one-way system.’
      • ‘Comments from the present residents of the street on the recent works have been very positive with the majority of them hoping the one-way system for traffic will remain in place.’
      • ‘In addition, New Street will become one-way from the entrance to Church lane down to Staunton's corner and also from the exit from the car park at the rear of SuperValu as far as the Main Street.’
      • ‘New Town's ward councillors are now surveying residents to get their views on a one-way system along both Harsnett Road and the neighbouring Morant Road.’
      • ‘It was open wide enough to let cars pass through on the one-way road.’
      • ‘Gladstone Street will then be one-way to the Quay.’
    2. 1.2 (of a ticket) allowing a person to travel to a place but not back again.
      • ‘Individuals in desperate poverty may have difficulty emigrating but what is there to stop governments putting unwanted people on a plane with a one-way ticket?’
      • ‘According to Adams, the 14 men traveled on Northwest Airlines flight #327 using one-way tickets.’
      • ‘You know, I'm really beginning to think that I won't figure out what's going in Iraq until I buy a one-way ticket to Baghdad.’
      • ‘A hundred or more years back, moving continents was as simple as packing up your sea chest, buying a one-way ticket, braving the seas in a small boat and then settling in the land of your choice.’
      • ‘And the third thing is going to be a one-way ticket.’
      • ‘Once I had a boyfriend show up at my apartment, having only had enough money for a one-way ticket, just so he could spend New Year's with me.’
      • ‘The first question that begs to be asked is what consumers are being targeted, taking into account that the price of a one-way ticket exceeds the average per capita income in both cities.’
      • ‘Dragonair wants to add HK $65 to the cost of a one-way ticket, while Cathay declined to comment on the level of its proposed surcharge.’
      • ‘And we have everything to gain, including that one-way ticket to paradise where we can live forever with our dead relatives.’
      • ‘Because of wrong information 49-year-old Jim had been given in the US, she didn't realise her one-way ticket would cause so much trouble.’
      • ‘Those 30,000 paratroopers were issued a one-way ticket.’
      • ‘The temptation to ignore your inner voice, to bend the rules, to go against your gut is human - but it's also usually a one-way ticket to Trouble Town.’
      • ‘A one-way ticket from Jakarta to Kuala Lumpur on Lion Air costs $68, while Air Asia now costs only about $33.’
      • ‘That said, concentrate on making friends with other campers-or you might find yourself with a one-way ticket home.’
      • ‘Though he seemed to relish Korea, on April 10 he bought a one-way ticket back to the United States, vowing not to return to the peninsula.’
      • ‘I booked a one-way ticket to Montreal on US Airways for the jazz festival and to celebrate Sudha's 30th birthday.’
      • ‘The system alerts airport security screeners to more thoroughly check passengers who buy one-way tickets or pay with cash.’
      • ‘Using their New Jersey drivers licenses as identification, they bought two one-way tickets on a visa card and checked in for American Airlines Flight 11 to Los Angeles.’
      • ‘This music is a one-way ticket to your own personal paradise.’
      • ‘And she said insult was added to injury when the company tried to make amends by sending her a single one-way travel voucher without a return ticket.’
    3. 1.3 (of glass or a mirror) seen as a mirror from one side but transparent from the other.
      • ‘The dish was placed behind the one-way mirror of an observation chamber such that the observer could see the crabs, but the crabs could not see the observer.’
      • ‘Prior to testing, stimulus males were kept for some days in aquaria with a one-way mirror on one side to acclimatize them with their reflected image.’
      • ‘As you may have noticed this facility has a conference room with a one-way mirror and all of those facilities for doing that sort of research and that will be coming along shortly.’
      • ‘Where courts were not equipped with closed circuit television or one-way mirrors, children were sometimes still made to testify in the presence of their accused abuser.’
      • ‘The scene ends with the sobbing woman screaming for a sympathetic witness on the other side of a one-way mirror.’
      • ‘They put the audience on the other side of a one-way mirror, and you watch them watch the show.’
      • ‘Much to the enjoyment of the no-longer-bored guard on the other side of the one-way mirror, Mike and Martina share a deep, passionate kiss.’
      • ‘I turned to the one-way mirror, knowing Michaels was standing behind the glass with his hands crossed before his chest, and stared at him.’
      • ‘Couples are seen in an outpatient setting by two therapists, one of who conducts the session while the other observes from behind a one-way mirror.’
      • ‘Hoots and cheers from the other side of the interview room's one-way mirror make Martina and Mike flush in unison.’
      • ‘Ultz's set, a bleak waiting room, is behind a wall of reflecting glass, made transparent by a lighting change: the play holds a one-way mirror up’
      • ‘Ravendale stood on the watching side of the one-way glass, his eyes locked on the writhing body of his latest victim.’
      • ‘The developers are behind a one-way mirror - they get to see the raw reality of what they just delivered to the customer, and they get immediate feedback.’
      • ‘Mike sighs and stands up himself, walking over to look into the one-way mirror.’
      • ‘We had the luxury of being able to hire a market research firm to provide the testing facility complete with one-way mirror and video recording.’
      • ‘The entire thing is coated, top to bottom, in reflective one-way glass, which is pretty impressive… the first time you look at it.’
      • ‘A number of descriptions of a transparent press had a one-way mirror feel to them: We editors will explain to you readers what we think you should know about us.’
      • ‘Chris violates proper search and seizure procedure to find videotaped evidence behind a one-way mirror in the S & M dungeon.’
      • ‘These must be those one-way mirrors, she thought.’
      • ‘He saw a one-way mirror opposite that of the counter.’
    4. 1.4 Denoting a relationship in which all the action or contribution of a particular kind comes from only one member.
      ‘interaction between the organism and the environment is not a one-way process’
      • ‘Nor is this a one-way process: the best American universities are now competing hard for the brightest British students.’
      • ‘Flows in the other direction will generally be less dangerous, except for the fact that one-way relationships are difficult to sustain.’
      • ‘And business today is far too complex to think in terms of one-way relationships.’
      • ‘Mutual exchange is a more satisfying process than one-way transfer of knowledge and resources.’
      • ‘You have to understand all five strategies in order to really gain a distinct advantage in the one-way link hunt.’
      • ‘With Washington's latest move in regard to Libya, it would be understandable if many Bulgarians believed that the relationship is somewhat one-way.’
      • ‘Mostly, though, evaluation in family therapy training has been a one-way, top-down process.’
      • ‘One of the main elements of such a strategy is that the ethnographer does not treat the relationship as a one-way process of extracting information from others, but actually provides something in return.’
      • ‘I hope that the most significant message that comes across from the guideline to patients and practitioners is that treatment is not simply a one-way process.’
      • ‘I loved her so much but I always felt it was a one-way relationship so I proposed, she of course said yes.’
      • ‘Cover your own assets with a one-way agreement.’
      • ‘The reciprocity that is required in the treaty is not one-way, as some people are hinting - suggesting that only Maori are using it.’
      • ‘On the Web, those kinds of one-way relationships come down a notch.’
      • ‘While the line between hip hop and IDM may be blurred, it seems to be a mostly one-way relationship.’
      • ‘The point I was raising, to my memory, was that it must be understood that this agreement was not one-way.’
      • ‘Everybody received the same material from a single voice, but it was a one-way interaction.’
      • ‘It will reinforce the idea that this is a bit of a one-way relationship.’
      • ‘Ministers, in fact, have been restrained in their response to the latest revelations about their largely one-way correspondence with the heir to the throne - in public at least.’
      • ‘‘These kinds of cultural interactions are never a one-way process,’ says Mr. Williams.’
      • ‘In the real world, economic and social relations are seldom one-way.’
      disposable, expendable, one-use, non-returnable, single-trip
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