di·​ad·​ro·​mous dī-ˈa-drə-məs How to pronounce diadromous (audio)
of a fish
: migratory between salt water and fresh water
diadromous fish species

Example Sentences

Recent Examples on the Web So far, two American shad, 80 alewife herring, 87 gizzard shad, 12 sea lamprey, 17 American eel, and 1 striped bass — all diadromous — were logged by the video camera that records everything swimming upstream at StanChem. Bill Leukhardt, courant.com, 12 June 2017 Case in point is one diadromous fish: the blueback herring. Bill Leukhardt, courant.com, 12 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diadromous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

circa 1949, in the meaning defined above

Time Traveler
The first known use of diadromous was circa 1949

Dictionary Entries Near diadromous

Cite this Entry

“Diadromous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diadromous. Accessed 28 Nov. 2022.

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