The action or process of making or becoming greater in size or amount. The company focused on the augmentation of its workforce to meet the increasing demand.
A thing that is added to something else in order to improve or complete it. The new software update served as an augmentation to the existing system, enhancing its capabilities.
In music, the lengthening of the time values of notes in a melodic part. The composer used augmentation to create a more dramatic effect in the symphony.
Heraldry: an addition to a coat of arms, typically granted by a sovereign, as a mark of honour. Upon his knighthood, Sir Thomas received an augmentation to his arms featuring a golden lion.