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The voiced alveolar, dental and postalveolar plosives (or stops) are types of consonantal sounds used in many spoken languages.The symbol in the International Phonetic Alphabet that represents voiced dental, alveolar, and postalveolar plosives is d (although the symbol d̪ can be used to distinguish the dental plosive, and d̠ the postalveolar), and the equivalent X-SAMPA symbol is d.
Here are features of the voiceless alveolar stop: Its manner of articulation is occlusive, which means it is produced by obstructing airflow in the vocal tract. Since the consonant is also oral, with no nasal outlet, the airflow is blocked entirely, and the consonant is a plosive. There are three specific variants of [t]:
Since the consonant is also oral, with no nasal outlet, the airflow is blocked entirely, and the consonant is a plosive. Its place of articulation is bilabial, which means it is articulated with both lips. It is an oral consonant, which means air is allowed to escape through the mouth only.
It is an oral consonant, which means air is allowed to escape through the mouth only. It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides. The airstream mechanism is ejective (glottalic egressive), which means the air is forced out by pumping the glottis upward.
The voiced bilabial plosive or stop is a type of consonantal sound used in many spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is b , and the equivalent X-SAMPA symbol is b. The voiced bilabial stop occurs in English, and it is the sound denoted by the letter b in obey [oʊˈbeɪ].
The voiceless bilabial plosive or stop is a type of consonantal sound used in most spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is p , and the equivalent X-SAMPA symbol is p .
The voiceless palatal plosive or stop is a type of consonantal sound used in some vocal languages. The symbol in the International Phonetic Alphabet that represents this sound is c , and the equivalent X-SAMPA symbol is c .
The voiceless labiodental plosive or stop is a consonant sound produced like a [p], but with the lower lip contacting the upper teeth, as in [f]. This can be represented in the IPA as p̪ . A separate symbol not recognized by the IPA that was occasionally seen, especially in Bantu linguistics, is the qp ligature ȹ .