The term 'nasal stop' will often be abbreviated to just "nasal". However, there are also nasal fricatives, nasal flaps, nasal glides, and nasal vowels, as in French, Portuguese, Catalan (dialectal feature), Yoruba, Gbe, Polish, and Ljubljana Slovene. In the , nasal vowels are indicated by placing a tilde (~) over the vowel. : French "sang" .