macadam

macadam
macadam (n.) 1824, named for inventor, Scottish civil engineer John L. McAdam (1756-1836), who developed a method of levelling roads and paving them with gravel and outlined the process in his pamphlet "Remarks on the Present System of Road-Making" (1822). Originally, road material consisting of a solid mass of stones of nearly uniform size laid down in layers; he did not approve of the use of binding materials or rollers. The idea of mixing tar with the gravel began 1880s.

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  • macadam — [ makadam ] n. m. • 1826; de McAdam, n. de l inventeur 1 ♦ Anciennt Revêtement de voies avec de la pierre concassée et du sable, agglomérés au moyen de rouleaux compresseurs. 2 ♦ (de l angl. tarmacadam, de tar « goudron ») Mod. Macadam goudronné …   Encyclopédie Universelle

  • Macadam — is a type of road construction pioneered by the Scotsman John Loudon McAdam in around 1820. The method simplified what had been considered state of the art at that point.Before McAdamBefore McAdam, French road director Pierre Marie Jérôme… …   Wikipedia

  • macadam — MACADÁM, macadamuri s.n. Drum pavat cu piatră măruntă îndesată cu compresorul şi de obicei impregnată cu gudron sau cu alt material de legătură; p. restr. piatra din care este format acest pavaj. – Din fr. macadam, germ. Makadam. Trimis de… …   Dicționar Român

  • Macadam — oder Macadam steht für MacAdam Ellipse (nach David L(ewis) MacAdam), Bereich von Farbtönen, die zu einem Bezugsfarbton als mit gleichen Abstand wahrgenommenen werden. Makadam, Bezeichnung eines Straßenbelags (nach John Loudon McAdam) Orte in den… …   Deutsch Wikipedia

  • Macadam — Saltar a navegación, búsqueda Construcción de la primera carretera de macadam en Estados Unidos de América (1823). El macadam es el material de construcción que está constituido por un conjunto de áridos, de granulometría discontinua, obtenido… …   Wikipedia Español

  • macadam — n. The broken stone used in macadamized roadways. [WordNet 1.5] 2. A paved surface formed of compressed layers of broken rocks held together with tar. Syn: tartarmac, macadam. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • macadam — macadamized macadamizedadj. 1. paved with macadam[2]. Syn: asphalt, tarmac, tarmacadam. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • MacAdam — o macadán (de «J. L. Mac Adam», ingeniero escocés del s. XVIII) m. *Pavimento de piedra machacada y prensada con el rodillo. * * * macadam. (De J. L. Mac Adam, 1756 1836, ingeniero escocés). m. macadán. * * * MacAdam, John London …   Enciclopedia Universal

  • macadam — road (named for its Scottish inventor JL McAdam); macadam stone (stone used in building macadam pavements or roads) …   Eponyms, nicknames, and geographical games

  • macadam — sustantivo masculino 1. Macadán. macadán o macadam (plural macadams o macadanes macadams o macadanes) sustantivo masculino …   Diccionario Salamanca de la Lengua Española

  • MacAdam — (spr. mäckäddĕm), Erfinder des Makadamisierens (s.d.) …   Kleines Konversations-Lexikon

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