alveolar ducts

plural noun
variants: or less commonly alveolar passages

Definition of alveolar ducts

: the somewhat enlarged terminal sections of the bronchioles that branch into the terminal alveoli

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of alveolar ducts

1883, in the meaning defined above

Learn More About alveolar ducts

Time Traveler for alveolar ducts

Time Traveler

The first known use of alveolar ducts was in 1883

See more words from the same year

Dictionary Entries Near alveolar ducts


alveolar ducts


See More Nearby Entries 

Statistics for alveolar ducts

Cite this Entry

“Alveolar ducts.” Dictionary, Merriam-Webster, Accessed 27 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Name that Thing: Flower Edition

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!