A jazz sus chord or dominant 9sus4 chord is a seventh chord on the fifth scale degree of the key with a suspended fourth and an added ninth. Functionally, it can be written as V9sus4 or V7sus9.
ISO (International Organization for Standardization) is an independent, non-governmental membership organization and the world's largest developer of voluntary International Standards.
The prefix 'Iso' means 'Isomer' relating to a branch chain molecule having the same formula as the straight chain molecule.est Answer: Iso is used to refer to a coumpound that has the same chemical formula as another but the structure is different...thus the atoms are arranged differently in space.