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.
A major triad can also be described as a major third interval with a minor third interval on top, or as a root note, a note 4 semitones (half steps) higher than the root, and a note 7 semitones higher than the root. Major and minor third in a major chord: major third on bottom, minor third on top Play (helpÂ·info) .