biomass

noun

bio·​mass ˈbī-ō-ˌmas How to pronounce biomass (audio)
1
: the amount of living matter (as in a unit area or volume of habitat)
2
: plant materials and animal waste used especially as a source of fuel

Examples of biomass in a Sentence

Recent Examples on the Web
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The hotel has strong eco credentials, employing solar panels, biomass boilers, rainwater-harvesting, and gray water recycling—and a delightful ten-percent discount for guests arriving by foot, bike, or public transport. Condé Nast, Condé Nast Traveler, 16 May 2026 Strategic Takeaways Cultivating more biomass traditionally means processing at higher volumes, increased SKU complexity, additional labor, higher overhead costs and the waste of natural resources and utilities at every step of the chain. Thomas Andersen, Rolling Stone, 14 May 2026 Researchers like Lindell have successfully bred kelp varieties that in some cases produce up to three times more biomass than conventional strains. ABC News, 6 May 2026 The research group is also focusing on sustainable electronics using biomass derived from Finnish wood. Neetika Walter, Interesting Engineering, 24 Apr. 2026 See All Example Sentences for biomass

Word History

First Known Use

1931, in the meaning defined at sense 1

Time Traveler
The first known use of biomass was in 1931

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Cite this Entry

“Biomass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomass. Accessed 18 May. 2026.

Kids Definition

biomass

noun
bio·​mass ˈbī-ō-ˌmas How to pronounce biomass (audio)
1
: the amount of living matter (as in an area or volume of habitat)
2
: plant materials and animal waste used especially as a source of fuel

Medical Definition

biomass

noun
bio·​mass -ˌmas How to pronounce biomass (audio)
: the amount of living matter (as in a unit area or volume of habitat)

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