tamper


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tamper

[′tam·pər]
(civil engineering)
A ramming device for compacting a granular material such as soil, backfill, or unformed concrete; usually powered by a motor.
(nucleonics)
(ordnance)
In a weapon, any substance that resists movement for a split microsecond, used so that the active materials may build up greater pressure behind the substance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Tamper

 

a power tool for compacting soil, concrete mixes, and other substances. Tampers are used for small, isolated jobs, for hard-to-reach and cramped spaces, and for the consolidation of molding sand in foundry work.

A tamper may have an electric or pneumatic drive, which imparts a reciprocating motion to an impact mechanism with a sole plate. The control handle has a shock absorber. Electric tampers produced in the USSR weigh up to 150 kg, and their productivity is as high as 80 cu m per hr. The tampers used in foundry work are mainly pneumatic; they weigh up to 25 kg and have a productivity of up to 20 cu m per hr.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

tamper

tamper
A compaction device for consolidating a granular material such as soil, backfill, or unformed concrete; usually powered by a motor. Also see jitterbug.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

tamper

To interfere or tinker with something that is not authorized.
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References in periodicals archive ?
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A standard practice in most developed countries, companies in India have been quick on adopting such tamper evident & secure envelopes for shipping their goods across to customers.
A common tamper form is a shapely lady's leg, sometimes beautifully carved out of ivory with silver fittings.
However, today the lyrics aptly describe a special type of signature--the tamper seat--that enables the signing, securing and transit of eMortgage documents.