# 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 of decrement
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),
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for decrement
Historical Examples
• It is perfectly intelligible that a progressive fatigue and decrement of the magnitude of contraction must ensue.

• The decrement in the capacity of the grooves follows the proportion of 15 to 11.

• The rate-of-decrease meter registered a decrement of point ten units per unit.

Walter Miller
• decrement, dek′re-ment, n. the act or state of decreasing: the quantity lost by decrease.

• Evolution is the decrement of this difference between the purely formal and the actual.

Robert T. Browne
• See an admirable statement of the three forms of decrement, in Hay, Trait de Minralogie, vol.

Henry Thomas Buckle
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
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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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### Word Value for decrement

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17
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