biomass

noun

bio·mass ˈbī-ō-ˌmas

: the amount of living matter (as in a unit area or volume of habitat)

: plant materials and animal waste used especially as a source of fuel

Examples of biomass 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.

Around a third of methane emitted into the atmosphere comes from natural sources like wetlands, with the rest from anthropogenic sources such as cattle, rice farming, landfills and biomass burning. — CBS News, 27 Oct. 2026 Spiber can also work with other fermentation products and microbial biomass. — Alexandra Harrell, Footwear News, 23 Oct. 2026 Mittelstadt says his company once served biomass energy but not currently. — Los Angeles Times, 21 Oct. 2026 All of that material is currently hauled elsewhere for disposal, including round trips of about 200 miles to other biomass facilities. — Nicole Buss, Sacbee.com, 21 Oct. 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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Browse Nearby Words

biomarker

biomass

biomaterial

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Cite this Entry

Style

“Biomass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomass. Accessed 29 Oct. 2026.

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Kids Definition

biomass

noun

bio·mass ˈbī-ō-ˌmas

: the amount of living matter (as in an area or volume of habitat)

: plant materials and animal waste used especially as a source of fuel

Medical Definition

biomass

noun

bio·mass -ˌmas

: the amount of living matter (as in a unit area or volume of habitat)

biomass

noun

Examples of biomass in a Sentence

Word History

Browse Nearby Words

Cite this Entry

Kids Definition

Medical Definition

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