A depressor consonant is a

consonant In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract. Examples are and pronounced with the lips; and pronounced with the front of the tongue; and pronounced w ...

that depresses (lowers) the tone of its or a neighboring syllable. This is a consequence of the

phonation The term phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, ''phonation'' is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the defin ...

(type of voicing) of the consonant. The

Nguni languages The Nguni languages are a group of closely related Bantu languages spoken in southern Africa by the Nguni peoples. Nguni languages include Xhosa, Zulu, Ndebele (sometimes referred to as "Northern Ndebele"), and Swazi. The appellation "Nguni ...

of South Africa are well known for the lowering effects of certain breathy consonants on tone, as are the

Wu dialects The Wu languages (; Romanization of Wu Chinese, Wu romanization and Romanization of Wu Chinese#IPA, IPA: ''wu6 gniu6'' [] (Shanghainese), ''ng2 gniu6'' [] (Suzhounese), Mandarin pinyin and IPA: ''Wúyǔ'' []) is a major group of Sinitic languag ...

of Chinese. Specific examples of languages with depressor consonants are Zulu and

Shanghainese The Shanghainese language, also known as the Shanghai dialect, or Hu language, is a variety of Wu Chinese spoken in the central districts of the City of Shanghai and its surrounding areas. It is classified as part of the Sino-Tibetan langua ...

. Many other tonal languages may have depressor consonants that slightly lower the pitch, but do not have any phonemic effects, as is the case with

Chichewa tones Chewa language, Chichewa (a Bantu language of Central Africa, also known as Chewa, Nyanja, or Chinyanja) is the main language spoken in south and central Malawi, and to a lesser extent in Zambia, Mozambique and Zimbabwe. Like most other Bantu langu ...

See also