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: a nearly horizontal passage from the surface in a mine
1602, in the meaning defined above
borrowed from Latin aditus "approach, entrance," from adi-, stem of adīre "to go to, approach" (from ad- ad- + īre "to go") + -tus, suffix of action nouns — more at issue entry 1
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Resources for adit
a disaster waiting to happen
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a private place of worship
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