Meaning of adit in English:


Pronunciation /ˈadɪt/

See synonyms for adit on


  • A horizontal passage leading into a mine for the purposes of access or drainage.

    ‘The mine's three adits lie in the Shinarump conglomerate member of the Triassic Chinle Formation.’
    • ‘The Jomac mine's three adits lie within the Glen Canyon National Recreation Area boundary.’
    • ‘The mule train would have entered the mine through an adit.’
    • ‘Armed with large circular screens, we worked the pocket remains in a small stream that ran past the mine adit.’
    • ‘The orebodies were accessed through several adits and a few shallow shafts.’
    • ‘The strategy for the second year was to drive a new tunnel, branching to the northeast from the main adit near the mine entrance.’
    • ‘Pits that run horizontally into a hill slope or cliff following material into the slope are known as adits or drift mines.’
    • ‘Early development included sinking shafts and driving adits on the various copper-bearing lodes; by 1870 the mine had produced about 902,000 pounds of copper.’
    • ‘Many adits, shafts and tunnels, some extending over 100 m, pursue these veins deep underground.’
    • ‘On the capital side, the mining of coal additionally often required agreements with surrounding landowners to sink pits and build adits and soughs to drain the water from the mines.’
    • ‘Very little remains of the old silver mines at Glen Osmond, apart from some of the old shafts, adits and the chimney, the oldest mine building in Australia.’
    • ‘During winter 1900-1901 Leon Estivant, the French owner of the mine, sunk a shaft and drove an adit on a fissure vein in a hill just south of the main Clark mine.’
    • ‘It has both a vertical shaft and an adit to an incline, which we and several mine officials entered in a small bus.’
    • ‘By May 2004, more than 10,000 tons of high-grade ore had been mined from this adit.’
    • ‘Underground mining entails sinking shafts to reach the target resource and driving tunnels and adits, either inclined or horizontally.’
    • ‘For the next ten years it was leased to tributors who worked the old stopes of the conglomerate lode above the adit level.’
    • ‘The area has several adits and numerous small pits and cuts.’
    • ‘Two shafts and an adit were ultimately driven, but Dunham reported that recorded output of lead concentrates for this period was fairly low.’
    • ‘Our first target was in the vicinity of the Pinto mine and the Buckhorn mine, where a cluster of adits was indicated.’
    • ‘The bright ‘one way’ sign in the corner of a photograph of an adit on the Langley asbestos mine in Prieska catches the eye.’
    mineshaft, tunnel, passage, pit, adit, downcast, upcast


Early 17th century from Latin aditus ‘approach, entrance’, from adit- ‘approached’, from the verb adire, from ad- ‘towards’ + ire ‘go’.