bioregion

noun

bio·​re·​gion ˈbī-ō-ˌrē-jən How to pronounce bioregion (audio)
: a region whose limits are naturally defined by topographic and biological features (such as mountain ranges and ecosystems)
bioregional
ˌbī-ō-ˈrēj-nəl
-ˈrē-jə-nᵊl How to pronounce bioregion (audio)
adjective

Examples of bioregion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These expeditions are designed to educate attendees about the rich cultural tapestry of San Diego and its unique bioregion. — Nasha Smith, Forbes, 26 Oct. 2024 Perhaps this is the season to learn which plants are indigenous to your bioregion and create a moon garden that is part of a larger ecosystem, one that can be a source of sustenance for local birds, insects, and other wildlife. — Kristin Guy, Sunset Magazine, 21 Dec. 2023

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of bioregion was in 1945

Rhymes for bioregion

See All Rhymes for bioregion

Browse Nearby Words

bioregion
See all Nearby Words

Cite this Entry

“Bioregion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioregion. Accessed 18 Mar. 2025.

Copy Citation

Share

Love words? Need even more definitions?

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

Popular in Grammar & Usage

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

'Affect' vs. 'Effect'

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words

Words You Always Have to Look Up
See More

Popular in Wordplay

See More

13 Unusually Long English Words

9 Superb Owl Words

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments
See More

Popular Features

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

13 Unusually Long English Words

9 Superb Owl Words
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
number-twelve-balloon
12-Letter Words Quiz A dozen words, a dozen letters each.
See All