adit

Definitions

  • WordNet 3.6
    • n adit a nearly horizontal passage from the surface into a mine
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Webster's Revised Unabridged Dictionary
    • Adit Admission; approach; access. "Yourself and yours shall have
      Free adit ."
    • Adit An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel.
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Century Dictionary and Cyclopedia
    • n adit An entrance or a passage; specifically, in mining, a nearly horizontal excavation, or drift (which see), specially used to conduct from the interior to the surface the water which either comes into the workings from above or is pumped up from below. The word tunnel is in general use in the United States, and especially in the western mining regions, for adit; but the former properly signifies an excavation open at both ends, such as is used in railroads. When there are two or more adits, the lowest is called the deep adit. Adits are occasionally several miles in length. The so-called Sutro tunnel, draining the Comstock lode at Virginia City, Nevada, is the most extensive work of this kind yet constructed in the United States. It is about 20,000 feet in length, and intersects the lode at a depth of about 2000 feet. Also called adit-level. See cut under level.
    • n adit Milit., a passage under ground by which miners approach the part they intend to sap. Wilhelm, Mil. Diet. Admission; access; approach.
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Chambers's Twentieth Century Dictionary
    • n Adit ad′it an opening or passage, esp. into a mine.
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Etymology

Webster's Revised Unabridged Dictionary
L. aditus, fr. adire, aitum, to go to; ad, + ire, to go
Chambers's Twentieth Century Dictionary
L. aditus—ad, to, īre, itum, to go.

Usage

In literature:

The adit of the mine was at the apex of the hill, which drooped off to the north.
"The Memoirs of General W. T. Sherman, Complete" by William T. Sherman
The adit of the mine was at the apex of the hill, which drooped off to the north.
"Memoirs of Three Civil War Generals, Complete" by U. S. Grant, W. T. Sherman, P. H. Sheridan
The adit of the mine was at the apex of the hill, which drooped off to the north.
"The Memoirs of General W. T. Sherman, Vol. I., Part 1" by William T. Sherman
There are shafts, adits, and levels just as in the mines of Colorado and California.
"Overland through Asia; Pictures of Siberian, Chinese, and Tartar Life" by Thomas Wallace Knox
As a rule, they know more about shafts and adits than scientific geology.
"The Lure of the North" by Harold Bindloss
So down, down, till he came to the level, and crept along the adit to the shore.
"A Maid of the Silver Sea" by John Oxenham
The tract of country included between the Adit and the Bahar el Abiud is called El Gezira, i.e.
"A Narrative of the Expedition to Dongola and Sennaar" by George Bethune English
In that eastern adit of ours you can hear them working in the Lawrenceburg as plainly as if they were only a few feet away.
"Branded" by Francis Lynde
Can't jump down into the water and swim out by the adit, can you?
"Menhardoc" by George Manville Fenn
He must be at the mouth of an adit where they threw out their waste stuff to be washed away by the sea.
"Sappers and Miners" by George Manville Fenn
Another party, engaged upon the shafts, arrived at the adit level at the same time with the workmen upon the drain.
"Mexico and its Religion" by Robert A. Wilson
A few minutes sufficed to bring them to the beach at the mouth of the adit.
"Deep Down, a Tale of the Cornish Mines" by R.M. Ballantyne
Vertical holes made in mining, to supply the adits with fresh air.
"The Sailor's Word-Book" by William Henry Smyth
He doesn't know the difference between an adit and an air-drill.
"Rimrock Trail" by J. Allan Dunn
Clear away obstacles and open the adit to profitable working?
"The Great Miss Driver" by Anthony Hope
After the marriage, in due course Adit gave birth to twins, as her mother had done before her.
"Folk Stories from Southern Nigeria, West Africa" by Elphinstone Dayrell
Thus I was left alone at the bottom of my passage, the four men above being engaged in straightening the adit and sifting the earth.
"A Book of Ghosts" by Sabine Baring-Gould
You feel reasonably sure we're going to strike ore that will pay for the crushing at the end of that adit?
"A Damaged Reputation" by Harold Bindloss
The use of the adit cannot be traced back beyond the beginning of the seventeenth century.
"Cornwall" by Sabine Baring-Gould
We hope to be more fortunate when we have driven our adit.
"Delilah of the Snows" by Harold Bindloss
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In science:

In this paper is presented the formula for the WZ couplings of the generalized sigma-orbifold fixed-points which also have one aditional SO(2n) Yang-Mills gauge field .
Wess Zumino Couplings for Generalized Sigma Orbifold Fixed-points
J ∗ | < kϕ,n < ω (c) if in adition ¯b is an indiscernible set, then in (∗) of clause (a) we cn weaken ¯s ∼J ∗ ¯t to (∀ℓ, k)[(sℓ < sk ≡ tℓ < tk ) & sℓ ∈ J ∗ ≡ tℓ ∈ J ∗ → sℓ = tℓ ].
Classification theory for theories with NIP - a modest beginning
Asymptotic flatness on (W E , g E) determines the behaviour of the Ernst potential at infinity (see also [18, 6] and references therein) and, in adition, requires asymptotic conditions on the electromagnetic field .
On global models for isolated rotating axisymmetric charged bodies; uniqueness of the exterior field
By Seifert-Van Kampen theorem, if π1 (X ) is trivial, the adition of these pieces does not change the fundamental group.
Topology of hypersurface singularities with 3-dimensional critical set
We recall here only that these are complex Hopf ∗-algebras (i.e. ‘∗’ is an antilinear, multiplication-reversing involution so that both ∆ and ε are ∗-algebra maps) with the aditional property that all H -comodules admit an inner product invariant under H in some sense (which we will not need to make precise below).
Centers, cocenters and simple quantum groups
Note that here the concept of domination is based on the definition of tr aditional dominating set.
Random-walk domination in large graphs: problem definitions and fast solutions
The refinement gives local shifts of 0.2 ˚A perpendicular to the polar axis in adition to the common shift of 0.48 ˚A along the polar axis, which is similar to that of PbTiO3 , and gives also physically reasonable isotropic temperature factors.
The monoclinic phase in PZT: new light on morphotropic phase boundaries
In fact, µ will be very close to the Haar measure µ0 only differing by the adition of a few very small and sharp “thorns” and removal of a few “drillings.” What we mean by this will become evident from the final construction.
Some recent applications of the barycenter method in geometry
Magneto-optical effects, such as magnetic circular dichroism (MCD), Kerr effect, and Faraday effect, give further insight in ferromagnetic materials and add an aditional insight for the modeling of the electronic structure.
Magneto-transport and magneto-optical properties of ferromagnetic (III,Mn)V semicondcutors: a review
This eliminates µ from the action, at the expense of imposing on the order parameter an aditional time dependent phase.
Decay of a superfluid currents in a moving system of strongly interacting bosons
This decay is the main source of transverse momentum of the final particles in the model (aditional contribution comes from the classical string motion), so the transverse momentum distribution is closely linked to the mass distribution of the primary fragments.
On asimuthal anisotropy in fragmentation of classical relativistic string
From this it follows that the effects of couplings between adjacent oscillators are aditive.
Note on the Chandrasekhar Model of the Optical Activity of Crystals
We have solved that the influence of the couplings between adjacent oscillators in the cases when the second single oscillator in the first compound oscillator is the first oscillator in the second compound oscillator we can hold as aditive (the mistake in this conclusion is neglectable).
Note on the Chandrasekhar Model of the Optical Activity of Crystals
By this way we have proved that the couplings between even and odd oscillators also have the aditive effects.
Note on the Chandrasekhar Model of the Optical Activity of Crystals
C , then an adIt is well-known that if one substitutes the field RI ditional hypothesis is needed, namely : B should be stable with respect to complex conjugation.
Stone-Weierstrass Theorem
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