alveolus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a tiny sac for holding air in the lungs;
formed by the terminal dilation of tiny air passageways (Freq. 5)
• Syn:
air sac, air cell
• Derivationally related forms:
alveolate
• Hypernyms:
sac
• Part Holonyms:
lung
2. a bony socket in the alveolar ridge that holds a tooth
• Syn:
tooth socket
• Hypernyms:
socket
• Part Holonyms:
alveolar ridge, gum ridge, alveolar process

• Từ đồng nghĩa / Synonyms:
  tooth socket, air sac, air cell