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adit

 - 4 dictionary results

ad⋅it

  [ad-it]
Use adit in a Sentence
–noun
1. an entrance or a passage.
2. Also called entry. Mining. a nearly horizontal passage leading into a mine.
3. an approach or access.
Origin:
1595–1605; < L aditus an approach, equiv. to ad- ad- + -i- (s. of īre to go) + -tus suffix of v. action
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ad·it   (ād'ĭt)   
n.  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.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

adit 
"entrance," 1602, from L. aditus "approach, entrance," from aditum, pp. stem of adire "to approach," from ad- "to" + ire "to go."
Online Etymology Dictionary, © 2001 Douglas Harper
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Encyclopedia

adit

a horizontal or near-horizontal passage driven from the Earth's surface into the side of a ridge or mountain for the purpose of working, ventilating, or removing water from a mine.

Learn more about adit with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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