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A labial consonant is a speech sound produced with the participation of one or both lips. These sounds are characterized by a closure or narrowing of the vocal tract, which obstructs the flow of air. Examples of labial consonants in English include the sounds represented by 'f', 'p', and 'v'.12

Consonants are classified by their place and manner of articulation. Labial consonants specifically involve the lips as the primary articulators. The term "labial" itself derives from the Latin word for lip.21

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