alveolar

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++al·ve·o·lar /ˌælviˈəʊlə◂, ælˈviːələ $ ælˈviːələr/ noun [countable] technical  a consonant sound such as /t/ or /d/ that you make by putting the end of your tongue behind your upper front teeth 齿龈音〔如/t/或/d/等辅音〕

Examples from the Corpus

alveolar• In both examples the alveolar is assimilated to the place of articulation of the following segment.Origin alveolar (1700-1800) alveolus “hollow part in which a tooth is fastened” ((17-21 centuries)), from Latin, from alveus “hollow place”

al·ve·o·lar nounChineseSyllable  

sound /d/ /t/ a Corpus such consonant or as

alveolar
al‧ve‧o‧lar /ˌælviˈəʊlə◂, ælˈviːələ $ ælˈviːələr/ noun [countable] technicala consonant sound such as /t/ or /d/ that you make by putting the end of your tongue behind your upper front teeth

al·veo·larBrE /ælˈviːələ(r)/ 🔊, also /ˌælviˈəʊlə(r)/ 🔊NAmE /ælˈviːələr/ 🔊 noun (phonetics 语音学) a speech sound made with the tongue touching the part of the mouth behind the upper front teeth, for example /t/ and /d/ in tie and die 齿龈音▸ al·veo·lar adjective