v. & n.
--v.tr. & intr. make or become greater; increase.
--n. Gram. a vowel prefixed to the past tenses in the older Indo-European languages.
Phrases and idioms:
augmented interval Mus. a perfect or major interval that is increased by a semitone.
Derivatives:
augmenter n.
Etymology: ME f. OF augment (n.), F augmenter (v.), or LL augmentum, augmentare f. L augere increase