Definition

1. Adjective:

   • Pertaining to the tooth sockets or the jawbone: Relating to the alveoli (sockets) in the jawbones that hold the roots of teeth, or to the corresponding bony ridge.
   • Pertaining to the air sacs in the lungs: Relating to the microscopic, thin-walled air sacs (alveoli) in the lungs where gas exchange occurs.

2. Noun:

   • A speech sound: A consonant sound produced by placing the tip of the tongue against or near the alveolar ridge (the bony ridge behind the upper front teeth).

Examples

• Adjective:

  • The dentist noted some alveolar bone loss around the molar. (Pertaining to the tooth socket/jawbone)
  • Oxygen diffuses from the alveolar air into the blood. (Pertaining to the lung air sacs)

• Noun:

  • The sounds /t/, /d/, /s/, and /n/ in English are alveolars.

Advanced Usage

• Alveolar ridge: The bony ridge of the upper jaw that contains the sockets of the upper teeth and is a primary place of articulation for speech sounds.

  • The tongue taps the alveolar ridge to produce the 't' sound.

• Pulmonary alveolus (plural: alveoli): The specific anatomical term for the tiny air sacs in the lungs.

  • Smoking can damage the pulmonary alveoli.

Variants and Related Words

• Alveolus (n): The singular form, referring to one tooth socket or one lung air sac.

  • Each tooth sits in its own alveolus.

• Alveoli (n): The plural form of alveolus.

  • The lungs contain millions of alveoli.

• Alveolarization (n): The process of forming alveoli, often used in developmental biology or medicine.

• Postalveolar (adj/n): A sound produced with the tongue just behind the alveolar ridge (e.g., the 'sh' in "ship").

Synonyms

• Dental (adj, for sounds): This is a related but distinct place of articulation. While alveolar sounds use the ridge, dental sounds use the teeth. They are near-synonyms in phonetics but not always interchangeable.
• Gingival (adj, medical): Pertaining to the gums, which cover the alveolar bone.

Related Phrases

• Alveolar consonant: The full term for the noun definition.

  • Spanish has a distinctive alveolar trill ('rr').

• Alveolar gas equation: A medical formula used to calculate the partial pressure of oxygen in the alveoli.

• Alveolar macrophage: A type of immune cell found in the lung alveoli.

Adjective

1. pertaining to the sockets of the teeth or that part of the upper jaw
   • alveolar processes
2. pertaining to the tiny air sacs of the lungs

Noun

1. a consonant articulated with the tip of the tongue near the gum ridge