Augmentation

From Old French augmentacion, from Latin augmentatio, verbal noun from augmento ("to increase")

Full definition of augmentation

(plural augmentations)

The act or process of augmenting.
(heraldry) A particular mark of honour, granted by the sovereign in consideration of some noble action, or by favour; and either quartered with the family arms, or on an escutcheon or canton.
(medicine) A surgical procedure to enlarge a body part, as breast augmentation.
(medicine) The stage of a disease during which symptoms increase or continue.
(music) a compositional technique where the composer lengthens the melody by multiplying the length of each note by the same number