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tamper2

[tam-per]
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noun
  1. a person or thing that tamps.

Origin of tamper2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for tamper's

tamper1

verb (intr)
  1. (usually foll by with) to interfere or meddle
  2. to use corrupt practices such as bribery or blackmail
  3. (usually foll by with) to attempt to influence or corrupt, esp by briberyto tamper with the jury
Derived Formstamperer, noun

Word Origin

C16: alteration of temper (verb)

tamper2

noun
  1. a person or thing that tamps, esp an instrument for packing down tobacco in a pipe
  2. a casing around the core of a nuclear weapon to increase its efficiency by reflecting neutrons and delaying the expansion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tamper's

tamper

v.

1560s, figurative use of tamper "to work in clay, etc., so as to mix it thoroughly," probably originally a variant of temper (v.), which is how it was initially spelled. Perhaps it is a dialectal workmen's pronunciation. Related: Tampered; tampering.

Online Etymology Dictionary, © 2010 Douglas Harper