Skip to content
HOW TO PRONOUNCE

isthmus

/ˈɪs.məs/

Press play to hear how to pronounce isthmus.

American Pronunciation Guide · 1:04
Watch on YouTube ↗
LISTEN FOR THIS

ISS-muhs: leave out the th sound.

Move directly from s to m. Keep the first syllable strongest and the second vowel short and unstressed.

TRY SAYING
The road crosses a narrow isthmus between two bays.

APG practice sentence · CC BY-SA 4.0

Wiktionary contributors · CC BY-SA 4.0

What does isthmus mean?

noun

  1. A narrow strip of land, bordered on both sides by water, and connecting two larger landmasses.
  2. Any such narrow part connecting two larger structures.
  3. An edge in a graph whose deletion increases the number of connected components of the graph.

Definitions regrouped for readability · CC BY-SA 4.0

IPA pronunciation

/ˈɪs.məs/

Pronunciation used in the listening tip.

Wiktionary contributors · CC BY-SA 4.0

Pronunciation varies by speaker and region. About these dictionary pronunciations.

In the pages of books

See this word in context.

He also discusses, among other similar questions, the Isthmus of Panama with regard to its having once been a strait.
A. C. (Albert Charles) SewardDarwin and Modern ScienceProject Gutenberg ebook #1909
This appeared Tobe the only resource, but with my limited means it was like a ship-canal across the Isthmus of Panama.
Edward Payson RoeSuccess with Small FruitsProject Gutenberg ebook #6117
More book examples (2)
The tops of the waves could be seen flying over Anchor Rock, seventy feet high, and spray was blowing right across the isthmus.
Douglas, Sir MawsonThe Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914Project Gutenberg ebook #6137
The gray layer is connected with the posterior portion of the brain, the isthmus or medulla oblongata, by the white nerve tissue.
Robert Alexander CraigCommon Diseases of Farm AnimalsProject Gutenberg ebook #8502