augmentation

Short definition from Wiktionary

Noun

1. 1
   The act or process of augmenting.
2. 2
   An addition or extra, something that is added to something else.
3. 3
   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.
4. 4
   A surgical procedure to enlarge a body part, as breast augmentation.
5. 5
   The stage of a disease during which symptoms increase or continue.
6. 6
   A compositional technique where the composer lengthens the melody by lengthening its note values.
7. 7
   An increase of stipend obtained by a parish minister by an action raised in the Court of Teinds against the titular and heritors.