1 Retrieved October 19 2015 from http://www.acronymfinder.com/Radiology-Information-System%2fPicture-Archiving-and-Communication-System-(RIS%2fPACS).html. 2  APA style: RIS/PACS. (n.d.) Acronym Finder. ( 3 2015).
In music, a diminished triad ( Play ), also known as the minor flatted fifth (mâ­5), is a triad consisting of three minor thirds above the root â if built on C, a diminished triad would have a C, an Eâ­ and a Gâ­.
(music) 1  denoting a chord based upon an augmented triad: an augmented seventh chord. 2  denoting a triad consisting of the root plus a major third and an augmented fifth. ( 3 postpositive) (esp in jazz) denoting a chord having as its root the note specified: D augmented.