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augmentation

[awg-men-tey-shuh n] /ˌɔg mɛnˈteɪ ʃən/
noun
1.
the act of augmenting; state of being augmented.
2.
that by which anything is augmented.
3.
Music. modification of a theme by increasing the time value of all its notes.
4.
Heraldry. an addition to a coat of arms granted to a person by a sovereign power in recognition of a notable action.
Origin of augmentation
late Middle English
1425-1475
1425-75; late Middle English (< Anglo-French) < Late Latin augmentātiōn- (stem of augmentātiō). See augment, -ation; replacing late Middle English aumentacion < Middle French
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for augmentation

augmentation

/ˌɔːɡmɛnˈteɪʃən/
noun
1.
the act of augmenting or the state of being augmented
2.
the amount by which something is increased
3.
(music) the presentation of a subject of a fugue, in which the note values are uniformly increased Compare diminution (sense 2)
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 augmentation
n.

mid-15c., "act of making greater," from Old French augmentacion "increase," from Late Latin augmentationem (nominative augmentatio), noun of action from past participle stem of augmentare (see augment). Meaning "amount by which something is increased" is from 1520s. Musical sense is from 1590s.

Online Etymology Dictionary, © 2010 Douglas Harper
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