augmentation
noun
[mass noun]the action or process of making or becoming greater in size or amount
增大；增多
■(Music)the lengthening of the time values of notes in a melodic part
(乐)（主旋律的）延长
■[count noun](Heraldry)an addition to a coat of arms granted as a mark of special honour
(纹章)（在外衣上）绣纹章（以示殊荣）
语源late Middle English : from late Latin augmentatio(n-), from the verb augmentare (see augment)