Bilabial consonant explained
In phonetics, a bilabial consonant is a consonant articulated with both lips. The bilabial consonants identified by the International Phonetic Alphabet (IPA) are:
Owere Igbo has a six-way contrast among bilabial plosives: . Approximately 0.7% of the world's languages lack bilabial consonants at all; these include Tlingit, Chipewyan, Oneida, and Wichita  .
- Maddieson, Ian. 2008. Absence of Common Consonants. In: Haspelmath, Martin & Dryer, Matthew S. & Gil, David & Comrie, Bernard (eds.) The World Atlas of Language Structures Online. Munich: Max Planck Digital Library, chapter 18. Available online at http://wals.info/feature/18. Accessed on 2008-09-15.