adit(redirected from adits)
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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a nearly horizontal passage leading into a mine.
[1595–1605; < Latin aditus an approach]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||adit - 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
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