from The Century Dictionary.
- noun In blasting, the act or operation of filling up a blast-hole above the charge.
- noun In milit. mining, the operation of packing with earth, sand, etc., that part of a mine nearest to the charge, to increase its effectiveness in a given direction.
- noun The material with which the hole made by the drill for blasting is filled after the introduction of the charge of powder or other explosive.
from the GNU version of the Collaborative International Dictionary of English.
- noun The act of one who tamps; specifically, the act of filling up a hole in a rock, or the branch of a mine, for the purpose of blasting the rock or exploding the mine.
- noun The material used in tamping. See
Tamp, v. t., 1.
- noun an iron rod for beating down the earthy substance in tamping for blasting.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb Present participle of
Sorry, no etymologies found.
Think the success of the Surge and Sunni Awakening in tamping down the violence casts the comments in even a better light now:
This material is called tamping material or tamping, and the process, tamping.
When a charge is known to have missed all that is necessary to do in order to discharge it safely is to remove a few inches of "tamping" from the top of the drill hole, place in the bore
The best quality for the purpose of manufacturing dynamite is that which contains the largest quantity of the long tubular _bacillariæ_, and less of the round and lancet-shaped forms, such as _pleurosigmata_ and _diclyochæ_, as the tube-shaped diatoms absorb the nitro-glycerine better, and it becomes packed into the centre of the silicious skeleton of the diatoms, the skeleton acting as a kind of tamping, and increasing the intensity of the explosion.
He was, perhaps, one of the most humane men in his profession, but a long experience had led him to the conclusion that in these emergencies the fragments of a lamp, or a "tamping," or a "shot," matter more to the community than dead men.
Back they went for a hundred yards, while the fuse burnt its slow, sputtering way down through the "tamping" Bill had rammed around it.
It was charged with gunpowder, and filled up with "tamping" or pounded granite, Then the miner lighted the fuse and hastened away, giving the usual signal,
Zackey had been working for a week past in connection with Penrose, and, at the time he was called, was engaged in his wonted occupation of pounding "tamping" wherewith to fill the hole.
She also gives Brown kudos for tamping down tax-raising talk.
My mom and sister needed some toiletries, and, after tamping down my frustration of being diverted from my highly rigorous studies and Facebook, I remembered that I too needed an item from the store: toothpaste.