IPA: /ˈʃlɪərən/
KK: /ˈʃliːrən/
Irregular streaks in certain types of rocks or regions in a transparent medium that appear due to differences in composition or density.
The geologist pointed out the schlieren in the rock sample, noting their unique composition.
Schlieren originates from the German word 'Schliere', meaning streak or smear. It refers to the optical phenomenon where variations in density in a transparent medium cause light to bend, creating visible streaks.
Think of the German word 'Schliere' meaning streak or smear, which helps you remember that 'schlieren' refers to the streaks created by light bending through different densities.