Az
- Azeotrope
- A solution that does not change composition when distilled.
- Azimuth
- In land navigation it is defined as a horizontal angle measured clockwise from a north base line or meridian.
- Azimuth Angle
- Azimuth measured from 0° at the north or south reference direction clockwise or counterclockwise through 90° or 180°.
- Azimuthal Quantum Number
- Also known as Angular Momentum Quantum Number.
- Azo Compound
- The azo group has the general structure Ar-N=N-Ar', where Ar and Ar' indicate substituted aromatic rings.
- Azobenzene
- Red insoluble crystalline powder.