:Velarisation:

Pronunciation ˌviːləraɪˈzeɪʃn

The name of a secondary articulation involving the addition of a high back tongue position to a primary articulation. ɫ is an example of a velarised sound. An alternative way of symbolising velarisation is to add the diacritic ˠ (U+02E0) after the relevant symbol, for example represents a velarised voiced alveolar plosive.