TUNL

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Related to tunnel: Tunnel diode
AcronymDefinition
TUNLTunnel
TUNLTriangle Universities Nuclear Laboratories
References in classic literature ?
He struck the edge of the door of the opposite terminus of the rocky tunnel with his knees, slipped backward, clutched desperately for a moment, and at last hung half within and half without the opening; but he was safe.
Of course, it was impossible to know what the tunnel was, or where it led to, and yet to turn one way might lead us to safety, and the other to destruction.
The tunnel had led straight, from where he had entered it beneath the side of the rock furthest from the unscaleable cliffs, toward the mighty barrier that had baffled him so long.
Suddenly there came along a great water-rat that lived in the tunnel.
Roquat the Red began work at once upon his tunnel, setting a thousand miners at the task and building it high and broad enough for his armies to march through it with ease.
The ape-man had advanced well into the gulch as he investigated his surroundings and now as he stood near the tree, satisfied that the tunnel would prove a dry and quiet retreat for the night, he turned to retrace his way to the outer end of the entrance that he might block it with boulders against Numa's return, but even with the thought there came something to his sensitive ears that froze him into statuesque immobility with eyes glued upon the tunnel's mouth.
It is possible, and if we could it would save an immense lot of work, and probably be a surer way to save their lives than by digging a tunnel through the landslide to find the mouth of the cave where we first entered.
The cavern was nearly a hundred yards long, and when we reached its inner limit the proprietor stepped into a branch tunnel with his candles and left us buried in the bowels of the glacier, and in pitch-darkness.
Now I went with the utmost caution, and a moment later a sharp turn in the tunnel brought me to an opening into a large, brilliantly lighted chamber.
Sometimes the tunnel was so narrow that the wheels of the buggy grazed the sides; then it would broaden out as wide as a street; but the floor was usually smooth, and for a long time they travelled on without any accident.
They returned to the mouth of the tunnel and began to creep cautiously up the incline.
They could not tunnel straight on account of stones; but by the end of the night they were under the kitchen floor.