In′ter‐den″tal (?), a. 1. Situated between teeth; as, an interdental space, the space between two teeth in a gear wheel.
2. (Phon.) Formed between the upper and lower teeth; as, interdental consonants.
Webster's Dictionary 1913
In′ter‐den″tal (?), a. 1. Situated between teeth; as, an interdental space, the space between two teeth in a gear wheel.
2. (Phon.) Formed between the upper and lower teeth; as, interdental consonants.