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

Keep scrolling for more

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

Statistics for alveolar ducts

Cite this Entry

“Alveolar ducts.” Dictionary, Merriam-Webster, Accessed 31 Oct. 2020.

Comments on alveolar ducts

What made you want to look up alveolar ducts? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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