Augmented means raised, and when the term augmented is combined with a specific interval between notes, it means to raise the interval by a half-step. For example, an augmented fourth is a half-step larger than the interval of a perfect fourth. Found on http://www.violinonline.com/glossary.htm
adjective added to or made greater in amount or number or strength; `his augmented renown`; `a greatly augmented collection of books` Found on https://www.encyclo.co.uk/local/20974