Definitions

1. adjective

relating to or resembling alveoli, especially the alveoli of the lungs

“The alveolar air sacs in the lungs are responsible for exchanging oxygen and carbon dioxide.”

2. noun

a small air sac in the lungs or other parts of the body, where gas exchange occurs

“The alveolar ducts connect the alveoli to the terminal bronchioles.”

3. noun

a sound made with the tongue against the alveolar ridge, such as the “t” or “d” sounds in the English language

“The alveolar plosive consonants are a key feature of many languages.”

4. noun

a bone in the jaw, especially the maxilla or mandible, which bears the alveoli for the teeth

“The alveolar process of the maxilla supports the upper teeth.”