What is alveolar consonant?

Alveolar Consonant

Alveolar consonants are articulated with the tongue against or close to the superior alveolar ridge, which is called that because it contains the alveoli (the sockets) of the superior teeth. Alveolar consonants may be articulated with the tip of the tongue (so-called apical consonants), as in English, or with the flat of the tongue just above the tip (the "blade" of the tongue; called laminal consonants), as in French and Spanish. The laminal alveolar articulation is often mistakenly called dental, because the tip of the tongue can be seen near to or touching the teeth. However, it is the rearmost point of contact that defines the place of articulation; this is where the oral cavity ends, and it is the resonant space of the oral cavity that gives consonants and vowels their characteristic timbre.

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Some articles on alveolar consonant:

Portuguese Dialects - Notable Features of Some Dialects - Innovative
... Furthermore, in this region stressed /e/ is pronounced or before a palato-alveolar or a palatal consonant followed by another vowel ... it may be not realized, or realized as mere labialization of the preceding consonant ... /l/ is instead merged with /ɾ/, pronounced as an alveolar approximant in the Caipira way ...
Cape Verdean Portuguese - Characteristics - Phonetics
... Shown here are the more striking differences Consonants The “l” sound In Cape Verdean Portuguese the “l” sound is dental, i.e ... The “l” sound in European Portuguese is alveolar, i.e ... with the tip of the tongue touching the alveolar ridge, well behind the upper teeth, with the tongue making a curve with the concavity pointing up ...
Old English - Orthography - Conventions of Modern Editions
... Before a consonant letter the pronunciation is always /k/ word-finally after ⟨i⟩ it is always /tʃ/ ... Before a consonant letter the pronunciation is always (word-initially) or (after a vowel) ... In the combinations ⟨hl⟩, ⟨hr⟩, ⟨hn⟩, ⟨hw⟩, the second consonant was certainly voiceless ...
Gurindji Kriol Language
... /ʊ/, plus diphthongs and long vowels Front Central Back Close i u Mid e ɔ Open a The consonant inventory is a complex fusion of Gurindji and Kriol consonants ... nasals and laterals, and a distinction between a post-alveolar rhotic and an apical trill (sometimes pronounced as a tap) ... on position within word or utterance, and place of articulation Bilabial Alveolar Post-alveolar Alveopalatal Velar Stop p t ʈ ɟ k Fricative f s ʃ Nasal m n ɳ ɲ ŋ Lateral l ɭ ʎ Rhotic r, ɹ ɻ Glide j w ...
Alveolar Consonant - Alveolar Switching
... Japanese speakers often mix alveolar lateral approximant sounds in other languages with alveolar approximant sounds due to a lack of alveolar lateral approximants in their own language ...