biodiversity

noun

bio·​di·​ver·​si·​ty ˌbī-(ˌ)ō-də-ˈvər-sə-tē How to pronounce biodiversity (audio)
-dī-
: biological diversity in an environment as indicated by numbers of different species of plants and animals
biodiverse adjective

Did you know?

Biodiversity may become the rallying call for the next decade, wrote David Wake in the journal Science in 1989. Indeed, biodiversity is a word you're likely to encounter in writing about ecology and the environment today. But when Wake used it, "biodiversity" was still a relatively new addition to the English language, having first appeared in writing in the mid-1980s. Of course, the roots of biodiversity are much older. It evolved from a commingling of the descendants of the Greek noun bios, which means "mode of life," and the Latin verb divertere, which means "to turn aside" or "to go different ways."

Examples of biodiversity in a Sentence

Recent Examples on the Web
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Systemic risks such as climate disruption and biodiversity collapse had not yet reshaped the terms of competition for entire sectors. Mary Johnstone-Louis, Forbes.com, 20 June 2026 In Ukraine, home to more than a third of Europe’s biodiversity, constant shelling and drone attacks have already prompted whole populations of wolves, deer and other large mammals to seek asylum far from the nightly explosions and aerial whistles. The Los Angeles Times, Mercury News, 18 June 2026 Cruise its glassy waters and admire historic structures as well as an amazing spectrum of biodiversity, including bluebreast, gilt, and spotted and Tippecanoe darters. Kelsey Yandura, Midwest Living, 17 June 2026 Kenya is hosting the annual oceans conference, which focuses on addressing critical ocean issues, including climate change, biodiversity and pollution. ABC News, 17 June 2026 See All Example Sentences for biodiversity

Word History

Etymology

bio- + diversity

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of biodiversity was in 1985

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Cite this Entry

“Biodiversity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biodiversity. Accessed 24 Jun. 2026.

Kids Definition

biodiversity

noun
bio·​di·​ver·​si·​ty -də-ˈvər-sət-ē How to pronounce biodiversity (audio)
-dī-
: biological variety in an environment as indicated by numbers of different species of plants and animals

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