Definition of high pressure in English:

high pressure


mass noun
  • 1A condition of the atmosphere in which the pressure is above average (e.g. in an anticyclone)

    ‘an area of high pressure over much of the UK means that dry and fine conditions look set to continue’
    • ‘It was near the end of the day and the high-pressure altitudes were preventing the CAP aircraft from reaching the primary search area so the CAP was preparing to call off the effort.’
    • ‘Southward migration is heaviest west of a cold front and east of a high-pressure center.’
    • ‘The scientists who discovered the collision likened it to two high-pressure weather fronts colliding to create hurricane-like conditions.’
    • ‘The rotating air mass creates a high-pressure system throughout the region.’
    • ‘To make matters worse, a high-pressure system moving down from the north collided with the hurricane just as it reached inhabited territory.’
    • ‘As a result, regions to the east of a high-pressure center often have northerly winds bringing in relatively cold air while regions to the west have southerly winds bringing in relatively warm air.’
    • ‘For example, the interpretation of numeric weather data requires the identification of higher-level concepts, such as high-pressure systems and cold fronts.’
    • ‘With the high-pressure system's withdrawal from mid-May, rainfall is to be expected.’
    • ‘It had been late August, the end of an uncharacteristically long period of high-pressure weather, and the sky was high and clear.’
    • ‘In fact, the very biggest dabs are often found inshore during periods when sprat shoals are tight to shore during flat calm seas in the middle of high-pressure weather systems.’
    • ‘The stress of yet another late paper bore down on me like the high-pressure system that brought Philadelphia the sudden change in weather.’
    • ‘It rotates counterclockwise every six days, and this direction, plus its location in the southern hemisphere, indicates that it is a high-pressure zone.’
    • ‘Following the snow that had been falling, a high-pressure front moved into the area from the Atlantic on December the 18th.’
    • ‘Changing atmospheric pressure may cause some joint aches, but once a high-pressure system arrives it can lower humidity and reduce these aches.’
    • ‘Even though it's south (and looking south I can see a build-up of dark clouds now at dusk), the high-pressure air from our north is rushing towards the storm's low-pressure system.’
    • ‘Mr. Marschall states that a high-pressure system from the north caused the hurricane to stall.’
    • ‘That number reflects the difference in atmospheric pressure between a long-lived low-pressure area south of Iceland and a high-pressure area off the northwestern coast of Africa.’
    • ‘Britain basked last month because of a high-pressure weather system that arrived and stayed for more than two weeks.’
  • 2Physical pressure that is higher than a standard or average pressure.

    ‘liquid is injected at high pressure into subterranean rocks to extract oil or gas’
  • 3A high degree of exertion, urgency, or responsibility.

    ‘he has a record of making good decisions under high pressure’


  • 1Characterized by or exhibiting atmospheric pressure that is above average.

    ‘a high-pressure system is moving down from the north’
  • 2Involving a high degree of physical pressure.

    ‘high-pressure water jets’
    • ‘Plasma levels of micronutrients were analyzed by high-pressure liquid chromatography.’
    • ‘All of our aqueducts and a lot of the power grid, high-pressure gas mains, you know, all that stuff crosses the San Andreas.’
    • ‘His alternative involved the link road moving much further away, but concerns were raised about the proximity of a high pressure gas main.’
    • ‘It can only obtain a liquid state under very high pressure in a containment vessel.’
    • ‘During initial acceleration, the high-pressure fluid is released.’
    • ‘Parish councillors, including Neil Metcalfe, are worried because the site is crossed by a 42 in high pressure gas main.’
    • ‘Taking a hot bath and being pummelled by high-pressure underwater jets, surrounded by large numbers of other shower-capped individuals, has rarely felt so enticing as it does here.’
    • ‘Here the water is atomised using high-pressure compressed air.’
    • ‘Requiring only high pressure cleaning, the roof is then coated with a special fungicidal compound.’
    • ‘Some of the wells contain a significant amount of gas, and fire-fighters have much more difficulty controlling and capping this type of high-pressure well, the group says.’
    • ‘Both these models had low-pressure and high-pressure, 5-cylinder, turbocharged engines, manual transmissions and automatic transmissions.’
    • ‘They don't use mechanical drills but jets of high-pressure hot water, which can cut through the full 500 metre thickness of ice in 24 hours.’
    • ‘The contents of sucrose, glucose and fructose in peel tissue were measured using high-pressure liquid chromatography.’
    • ‘All bathrooms include a high-pressure shower system and an electric hairdryer for the convenience of guests.’
    • ‘High pressure pulses move the pistons to generate strong mechanical vibration in the drill string.’
    • ‘Preliminary examination of the vessel showed the fire was caused by a leak in a high-pressure fuel line in the No. 2 engine room.’
    • ‘We've removed a fair bit of heat from the refrigerant - it's now a high-pressure liquid at roughly ambient temperature.’
    • ‘The missile is ejected from the submarine by high-pressure gas.’
    • ‘It was difficult to access and we had to fight our way in using high-pressure hoses.’
    • ‘Instead of a conventional engine intake manifold, a high-pressure injection system delivers fuel, a similar system to that used on the newest state-of-the-art diesel cars.’
    • ‘Three underground supply pipelines feed the depot, including a high-pressure oil pipeline from the Lindsey Oil Refinery in North Lincolnshire.’
    • ‘Higher pressures force solvent into the protein matrix, resulting in unfolding through a molten globule state.’
    • ‘The cannula then was connected to a suction vacuum, and the fat was suctioned out of the area using high pressure suction.’
    • ‘Volkswagen uses unit injectors, in which a pump is attached to each injector, resulting in higher pressures.’
    • ‘Her extraction method separates casein from milk with high-pressure carbon dioxide.’
    • ‘When concrete has to be pumped far and fast, a high-capacity / high-pressure concrete pump should be used.’
    • ‘Food will stay fresh for longer without losing its taste, thanks to high-pressure sterilisation.’
    • ‘Shooters can fill the compressed air tank from either a standard scuba tank or from a high-pressure hand pump.’
    • ‘However, the most accessible of the technologies displayed by the prototype is its high-pressure Unit Injector System (UIS) by Bosch.’
    • ‘The engines are comparable, they are all using high-pressure common rail, they are typically all using pilot injection.’
    • ‘An enormous circular tunnel was being bored deep beneath the streets to carry high-pressure clean water.’
    • ‘Then after the trays pass the visual inspection they are put through a high-pressure steam vacuum machine that sterilises the instruments.’
    • ‘He had free rein to arrange the gas supply and the high-pressure converters and to select new catalysts.’
    • ‘A. I'm still convinced the high-pressure solutions are the most credible for at least the first 10 years of the hydrogen economy.’
    • ‘The turbines shut down suddenly, forcing a high-pressure plume of steam into the air high above the island.’
    • ‘Sandblast cleaning is usually acceptable, as is high pressure water cleaning with approved cleaning compounds.’
    • ‘A fully active suspension moves each wheel up and down independently, usually by way of high-pressure hydraulic rams.’
    • ‘One offender, who wished only to be known as Shane, was using a high-pressure water hose to remove graffiti that had been sprayed across the Co-op supermarket's wall.’
    • ‘Aerosol cans come in all shapes and sizes, housing all kinds of materials, but they all work on the same basic concept: one high-pressure fluid expands to force another fluid through a nozzle.’
    • ‘This reduces the delivery rate and energy required from the high-pressure fuel pump.’
  • 3Involving a high degree of persuasion.

    ‘high-pressure sales techniques’
    • ‘High charges, stings buried in small print and the high-pressure selling of products that rarely deliver what is promised on the tin are the main complaints.’
    • ‘The workmen, who were initially evasive about how much they would charge, used high-pressure selling tactics after calling at the pensioner's cottage uninvited.’
    • ‘Doorstep crime includes all aspects of consumer detriment and crime including bogus workmen, high-pressure sales people, bogus officials, and distraction burglary.’
    • ‘This means that they will continue to rip us off with high-pressure selling techniques - and even blatant mis-selling.’
    • ‘Boiler room operators are very experienced in high-pressure selling techniques.’
    • ‘The M.E.N. sent a variety of undercover ‘customers’ into Market Street in Manchester city centre to experience the high-pressure sales tactics.’
    • ‘O'Riordan was also concerned about the high-pressure sales techniques of the company and the high cost of the product.’
    • ‘Against this backdrop, Cincinnati voters distinguished themselves by keeping their cool in the face of a high-pressure campaign to sell the road.’
    • ‘It should be a friendly call, not a high-pressure sales job.’
    • ‘Why do time-share sales have to be so high-pressure?’
    • ‘Today, boiler rooms refer to unregulated companies that use high-pressure selling tactics to peddle dodgy shares by providing false or misleading information.’
    • ‘Boiler rooms are commonly used to describe sales offices equipped with banks of telephones that employ people who use high-pressure selling tactics.’
    • ‘Once called, consumers are subjected to high-pressure selling techniques - and often part with their cash.’
    • ‘Thanks to high-pressure selling, seven out of ten loans are sold with PPI, which is hugely overpriced.’
    • ‘On the record, he stated that the "application of high pressure is the best way to manipulate Japan."’
    • ‘If the gyms in your area are shifting away from the high-pressure tactics of selling gym memberships, then I commend them, and I hope it is a trend that spreads to the rest of the United States.’
    • ‘The high-pressure sales tactics start and it becomes very difficult to say no.’
    • ‘I gather that a high-pressure sales pitch was used to persuade potential investors to make an instant decision to buy, and then to transfer money directly into the firms' bank accounts.’
    • ‘‘All you get is the high-pressure sales pitch to change carriers,’ says Frick, alluding to some telecom solicitations.’
    • ‘The church is vilified by former members and UM administrators for using high-pressure tactics to get members and keep them involved in the church.’
    • ‘Boiler-room scams, which are often based in Europe, Asia and the US and involve high-pressure selling techniques, are a common type of investment scam.’
    • ‘The main marketing tool it uses is high-pressure direct contact with participants, including phone calls that border on harassment, according to some participants.’
    • ‘There are a lot of high-pressure salespeople about.’
    • ‘Stories of companies that practiced high-pressure, untargeted selling at inconvenient hours ran through the newspapers.’
    1. 3.1 Involving a great deal of anxiety or stress.
      ‘a high-pressure job’
      • ‘He points out that it becomes very difficult for players to focus on high pressure tournament like the World Cup for too long.’
      • ‘At a time when India's experienced players are reluctant to take up this high-pressure job, Kumble's sentiment is admirable.’
      • ‘Have undergone aviation style tests to ensure they won't explode under high pressure.’
      • ‘The high-pressure sales tactics the men used in Manchester were astonishingly successful.’
      • ‘When emotions run hot or when circumstances are high pressure and there is ego, fear or frustrations boiling over, people often act physically if words fail them.’
      • ‘In the criminal mode, his office assists officers in solving crimes and responds to high-pressure situations.’
      • ‘Brendan Barber, the TUC General Secretary, who has been chairing talks, announced that further negotiations will be needed next week to resolve what he called a " high-pressure dispute ".’
      • ‘They found that people working under high pressure to meet deadlines were six times more likely to suffer a heart attack within the next 24 hours.’
      • ‘Stress is something which affects only those who have high-pressure lives.’
      • ‘Mr. Corzine is hardly a stranger to high-pressure situations.’
      • ‘Many teams have survived after players faltered in high-pressure payoff situations.’
      • ‘Admission to a long-term-care facility from a hospital is an important marker for higher pressure ulcer risk.’
      • ‘I will never forget the safety lessons I learned that night, or the courage the mission commander displayed in being the voice of reason in an extraordinarily high pressure situation.’
      • ‘You know, I was under very high pressure since the demo cannot fail.’
      • ‘Advances in our understanding of high-pressure behavior of biopolymers are closely linked to the design of equipment that extends existing experimental techniques to high-pressure research.’
      • ‘We're a high pressure team, and are at our best when we put pressure on the ball and hunt in packs.’
      • ‘Human beings have a built-in response system to high-pressure situations.’
      • ‘Sure, like youive never been in a high-visibility, high-pressure situation and wound up doing something sub-optimal.’
      • ‘He also has a good temperament and sense of humor, which help in such a high-pressure role.’
      • ‘Due to the high pressure of my project, it seems not feasible to do it soon.’


high pressure

/ˌhʌɪ ˈprɛʃə/