schlieren
/ˈʃlɪrən/
noun
- Plural of schliere; streaks or wavy lines in a transparent material caused by variations in density or composition.
- The glass contained several schlieren that distorted the view.
- The technician examined the schlieren in the optical lens.
- Schlieren in the water indicated temperature differences.
- A technique or method used to visualize variations in density in a transparent medium, such as air or liquid, often using special photography.
- Engineers used schlieren imaging to study airflow over the airplane wing.
- Schlieren photography captured the heat waves rising from the pavement.
- The lab employed a schlieren system to observe shock waves.