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An almost horizontal entrance to a mine.

[Latin aditus, access, from past participle of adīre, to approach : ad-, ad- + īre, to go; see ei- in Indo-European roots.]


(Mining & Quarrying) an almost horizontal shaft into a mine, for access or drainage
[C17: from Latin aditus an approach, from adīre, from ad- towards + īre to go]


(ˈæd ɪt)

a nearly horizontal passage leading into a mine.
[1595–1605; < Latin aditus an approach]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.adit - a nearly horizontal passage from the surface into a mineadit - a nearly horizontal passage from the surface into a mine
mine - excavation in the earth from which ores and minerals are extracted
passage - a way through or along which someone or something may pass
References in periodicals archive ?
Bradford were able to access the middle adit and found the timbering at the portal is still in good condition.
At the event, Adit and the DTI will explain how they intend to use their combined bargaining power to open up the region to competition in broadband and how they plan to secure the best deals for the public and private sectors.
A comprehensive mapping and adit sampling program commenced in February with the objective of mapping and resampling a proportion of the 103 adits, which total 8,530 metres along the 2.
As part of its strategy, Adit, on behalf of One NorthEast is managing the project which will upgrade all of the region's telephone exchanges for broadband.
Approval of the second revision, which was received on November 23, 2006, authorizes work to begin on dewatering and rehabilitation of the Libby Adit advancement to the deposit and execution of the evaluation drilling program.
Eric Klepfer, the Company's Vice President of Operations, stated, "It appears that the first 600 feet of the adit is in good condition and will need little rehabilitation work.
Previously reported results from trench and adit samples include:
This structure has been traced for two miles and has several adits and many test pits located along its course.
The Adit 105 and 205 are CSTs designed to enable cost-effective mass deployment of DSL voice and high-speed data services to home users and small businesses.
The re-opening of the Libby Adit signals the commencement of a two-phase project to rehabilitate the tunnel and conduct an underground drilling and evaluation program.
Using this solution, service providers will be able to offer multiple voice channels (up to 8 with the Adit 105 and up to 16 with the Adit 205) as well as high-speed data using xDSL.