:Diacritic feature:

Pronunciation GB: ˌdaɪəˈkrɪtɪk, GA: ˌdaɪəˈkrɪt̬ɪk

A feature used in phonological rules to indicate non-phonetic information such as the exceptional behaviour of a linguistic form. An example is the feature [romance] which has been used to distinguish those forms in English which undergo velar softening from those which do not.