Diminished Whole Tone
One of the most important Jazz scales, besides the BeBop scales, is the Diminished Whole Tone scale. It is the VII mode of the melodic minor scale and is also called altered or super Locrian scale.
As the name reveals, it is a combination of the Whole Tone scale and the Diminished scale (Half Tone — Whole Tone scale*). The first 5 notes are from the Diminished scale and the last 4 notes are from the Whole Tone scale whereas E and F# overlap.
Here is an overview