Topic summary
nasal consonants

Extracted from the Wikipedia article Nasal consonant.
Other kinds of nasal consonant
Ladefoged and Maddieson (1996) distinguish purely nasal consonants, the nasal occlusives such as m n ng in which the airflow is purely nasal, from partial nasal consonants such as prenasalized consonants and nasal pre-stopped consonants, which are nasal for only part of their duration, as well as from nasalized consonants, which have simultaneous oral and nasal airflow. In some languages, such as Portuguese, a nasal consonant may have occlusive and non-occlusive allophones. In general, therefore, nasal consonants may be: