augmentation Meaning, Definition & Usage

  1. noun the amount by which something increases
  2. noun the statement of a theme in notes of greater duration (usually twice the length of the original)
  3. noun the act of augmenting

WordNet

Aug`men*ta"tion noun
Etymology
LL. augmentatio: cf. F. augmentation.
Definitions
  1. The act or process of augmenting, or making larger, by addition, expansion, or dilation; increase.
  2. The state of being augmented; enlargement.
  3. The thing added by way of enlargement.
  4. (Her.) A additional charge to a coat of arms, given as a mark of honor. Cussans.
  5. (Med.) The stage of a disease in which the symptoms go on increasing. Dunglison.
  6. (Mus.) In counterpoint and fugue, a repetition of the subject in tones of twice the original length. Syn. -- Increase; enlargement; growth; extension; accession; addition.

Webster 1913