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decrement

[dek-ruh-muh nt] /ˈdɛk rə mənt/
noun
1.
the act or process of decreasing; gradual reduction.
2.
the amount lost by reduction.
3.
Mathematics. a negative increment.
4.
Physics. the ratio of amplitudes of a damped harmonic motion in the course of two successive oscillations.
Origin
1475-1485
1475-85; < Latin dēcrēmentum, equivalent to dēcrē(tus) (see decrease) + -mentum -ment
Related forms
decremental
[dek-ruh-men-tl] /ˌdɛk rəˈmɛn tl/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for decrement
  • decrement in performance or in normal physical activity does not happen at this level.
British Dictionary definitions for decrement

decrement

/ˈdɛkrɪmənt/
noun
1.
the act of decreasing; diminution
2.
(maths) a negative increment
3.
(physics) a measure of the damping of an oscillator, expressed by the ratio of the amplitude of a cycle to its amplitude after one period
4.
(of spectra) a sequence of related spectrum lines decaying in intensity, e.g. Balmer decay
Word Origin
C17: from Latin dēcrēmentum, from dēcrescere to decrease
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
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Word Origin and History for decrement
n.

1620s, from Latin decrementum "diminution," from stem of decrescere (see decrease).

Online Etymology Dictionary, © 2010 Douglas Harper
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