Definition of macadam in English:

macadam

noun

  • Broken stone of even size used in successively compacted layers for surfacing roads and paths, and typically bound with tar or bitumen.

    • ‘It left the macadam in the streets cracked and flaking.’
    • ‘How good a road is going to be depends on how the design is laid out initially vis-a-vis the layer of bitumen, macadam, coat of slurry seal or fog seal.’
    • ‘In the absence of surface dressing, dense bitumen macadam tends to polish and become dangerous.’
    • ‘Going by the calculations of the Chennai Corporation, each square metre of road laid with bituminous macadam costs the civic body Rs.450.’
    • ‘Its fertile soil was seeded in shame with concrete and macadam, and what grew were traffic lanes and cities like Plainfield, hot and steamy in the month of July.’
    • ‘Thanks to balky local governments, the full length was not finally surfaced with concrete or macadam until 1937.’
    • ‘Paving was usually done with asphalt or macadam, though brick paving blocks were also used.’
    • ‘We will be continuing our programme of macadam overlays for regional and local roads around the county.’
    • ‘He made the point that a dense bitumen macadam base course was not designed to be skid resistant and he was not aware of any specification for skid resistance on a base course.’
    • ‘Once the newly laid lanes are open, the existing road will be shut to traffic and the top layer will be scraped off and fresh wet mix macadam laid.’
    • ‘The bituminous material at each site was dense bituminous macadam, which typically had a bitumen content of 4.0-4.5%.’
    • ‘In 1906 Eltham's Bridge Street and High Street became the first tarred macadam (tar-sealed) roads in New Zealand.’
    • ‘The result was that in 1906, Eltham became the first town in New Zealand to have a tarred macadam (tar-sealed) street.’
    • ‘Some stall floors are macadam and stone dust with bedding over top.’
    • ‘Scribbled in her untidy scrawl were the words I love Nate Litz written across her macadam driveway in a pale rose-colored chalk.’
    • ‘The roads shall have sensory speed detectors, traffic lights and tar macadam.’
    • ‘I retraced my route down the gold brick driveway out to the macadam state road.’
    • ‘The dense bitumen macadam surface, in the absence of any other dressing, tends to polish and became dangerous, particularly after rain.’
    • ‘While meticulous plan after meticulous plan succeeded in liberating half a ton of gold bullion, the scheme was bound to be foiled by the windy alpine roads, and a piece of damaged macadam.’
    • ‘The dust clouds raised by cars were still asphyxiating, but macadam was slowly bringing relief.’

Origin

Early 19th century: named after John L. McAdam (1756–1836), the British surveyor who advocated using this material.

Pronunciation:

macadam

/məˈkadəm/