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Alveolus

Noun CEFR B2
ˌal.viˈəʊ.ləs

Definitions

  1. A small cavity or pit.
  2. Any of the many tiny air sacs in the lungs in which the bronchioles terminate and where oxygen and carbon dioxide are rapidly exchanged with the pulmonary capillaries.
  3. The bony socket in which the root of a tooth resides.
  4. An acinus (saclike cavity) in a gland.
  5. The socket of a macrotrichium (seta).

Equivalents

19 more languages

Examples

“The sprouts proliferate and canalize to form⟳ the lactiferous ducts and the outbuddings form⟳ the alveoli of the mammary glands.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

alveolysin alveopalatal alverine Alverio Alverson Alverstoke

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