Definition of arterial in US English:



  • 1attributive Relating to an artery or arteries.

    • ‘For investigators studying pulmonary vascular diseases, such as pulmonary arterial hypertension, access to affected tissue is especially problematic.’
    • ‘Arterial, venous, and pulmonary arterial catheters were placed.’
    • ‘Gastrointestinal bleeding from arterial venous malformations traditionally is treated with combined estrogen and progesterone therapy.’
    • ‘The allergen causes the release of chemicals within the body which act to make the small arterial blood vessels dilate and to leak fluid from the capillaries into the surrounding tissues.’
    • ‘Calcium channel blockers prevent calcium from entering the cells of the arterial vasculature and cause dilation in the coronary arteries and periphery.’
    1. 1.1 Denoting an important route in a system of roads, railroad lines, or rivers.
      ‘one of the main arterial routes from New York’
      • ‘Over the past five years the number of major traffic incidents that close down major urban arterial roads for hours at a time, has been increasing.’
      • ‘Its new exterior fronts up to the diffuse public environment of Melbourne's outer west - freeways, arterial roads, car parks - and gives something back to it.’
      • ‘The accident happened on the A456 Hagley Road West, Oldbury, a main arterial route into the city.’
      • ‘The most interesting policy issue in recent years has been the inability of government to fund major urban arterial roads.’
      • ‘State and territory governments are responsible for funding and managing state highways and arterial roads linking the major towns and cities.’
      • ‘There are also suitable sites on Bradford's arterial routes like Manchester Road.’
      • ‘The crash happened on the London-bound carriageway of the busy arterial road just before 8am.’
      • ‘The 7.8 acre site on the Kinsale Road in Cork is close to the Kinsale roundabout giving access to the South Ring Road, Lee Tunnel and main arterial routes.’
      • ‘Asphalt pavements are usually located in urban areas and sealed granular pavements form the bulk of Australia's rural arterial road network.’
      • ‘I approve of the increase in bus lanes for arterial routes, and the increase in technologies like GPS units for better bus planning and traffic management.’
      • ‘This work identifies locations where bus priority is suitable to minimise the person delay using an arterial route.’
      • ‘Large hoardings that line arterial roads are suddenly brought down, either due to human intervention or the ravages of the weather, and the concrete jungle takes on a fresh, new look that is easier on the eye.’
      • ‘It does not matter whether the route is called ring road, bypass, or northern arterial ring road, the residents do not want it along that route.’
      • ‘The analysis focused on a typical four-lane arterial route with signalised intersections at 250 metre spacing.’
      • ‘Transit lanes that are functioning appropriately will increase the person throughput of an arterial road and may encourage the use of car-pooling.’
      • ‘In suburban areas (as in this study), traffic from residential areas is served by collector roads that in turn direct traffic to merge into the arterial roads at relatively few locations.’
      • ‘It is estimated that nearly 40% of the arterial roads are heavily congested, specifically during peak periods.’
      • ‘Some of the worst blackspots occur on train routes or main arterial roads around the country.’
      • ‘Its the first day of the one way system on these arterial roads.’


  • A through road.

    ‘sabotaged arterials needed for evacuation of civilians’
    • ‘It had been covered by concrete to form a roadway that became one of the capital's major arterials.’
    • ‘Lambert introduced legislation Monday that would allow horticulture centers to be built on arterials that are already congested beyond their capacity, with peak-hour traffic typically moving less than 13 mph.’
    • ‘Road authorities need to think seriously about their attitude to traffic impacts on arterials and sub-arterials.’
    • ‘The dogs miraculously escaped this encounter unharmed; though some of their companions have not been so lucky, judging by the occasional roadkill on Sofia's arterials.’
    • ‘On the contrary, the urban arterials are a communal mix of automobiles, cyclists, pedestrians, and small businesses such as inner-tube repairmen that set up shop directly in the right-of-way.’
    • ‘In addition, his precinct is close to trouble spots, like Hillbrow, Sandton and Randburg, and close to main arterials.’
    • ‘Illegal ranks were established in almost every vacant plot of land along the major arterials, notably on the council site west of Jan Smuts Avenue and on the top of the Hilltop site west of Jan Smuts Avenue and Hendrik Verwoerd Drive.’
    • ‘The Barratt development at Blackford Mews is a strong rental location candidate as it is close to one of the principal north - south arterials radiating from the city centre, with access to all areas.’
    • ‘Its objectives include denser development along major arterials and transit nodes, investment in infrastructure, an emphasis on pedestrian-friendly urban design and a revitalized waterfront.’
    • ‘However, for the purposes of this paper, only the main arterials and collector roads were investigated as their main function is to serve both the traffic mobility and access (frontage related activities) functions.’
    • ‘Traffic was jammed not only on these two main arterials, but adjacent side streets were impassible to most vehicles.’
    • ‘It was suggested that the number of one-way roads be increased and arterials such as South Pattaya Road and North Pattaya Road should be widened to 40 meters.’
    • ‘B-Doubles and some A-Double road trains operate on designated arterials and major freight routes.’
    • ‘Other major arterials such as Central Pattaya Road, Pattaya and Jomtien Beach roads experienced similar congestion.’
    • ‘In this case, about 65% of the vehicles travelling eastbound on the M2 motorway divert on to the two parallel arterials (most of them to Seven Hills Road on the north) in response to the VMS message.’
    • ‘In the case of a 2-lane incident that fully blocks the M2 East carriageway, all eastbound traffic will divert to the parallel arterials, either spontaneously or in response to the VMS messages showing Long Delay.’
    • ‘Local governments are responsible for local roads and some minor arterials, particularly in the larger urban areas.’
    • ‘A combined maintenance cost relationship was found for rural and urban arterials using a representative road use variable for average national road use.’
    • ‘Already the city has a wide, tree-lined boulevard from the airport to the hotels downtown, a sharp contrast to the gridlocked arterials in Bangalore, where roads are overwhelmed by growth.’
    • ‘Of course one tradeoff can be a tough commute on congested freeways and arterials to get to downtown Seattle or Eastside employment centers.’


Late Middle English: from medieval Latin arterialis, from Latin arteria (see artery).