/ ɔːgˈment; NAmE / verb
[ vn ] ( formal ) to increase the amount, value, size, etc. of sth
► aug·men·ta·tion / ˌɔːgmenˈteɪʃn; NAmE / noun [ U , C ]
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WORD ORIGIN
late Middle English : from Old French augmenter (verb), augment (noun), or late Latin augmentare , from Latin augere to increase.