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
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.
Petroleum-free Algae ink, derived from renewable biomass, is an example of Trimco’s focus on reducing fossil fuel dependency. Angela Velasquez, Sourcing Journal, 16 June 2025 At the same time, the world’s largest biomass company, Drax, is cutting down trees across North America with a promise to sell them as a replacement for fossil fuels. Tom Brown, Wired News, 14 June 2025 Those vehicles often run on diesel fuel, which is created from either biomass materials or crude oil. Rich Tabaka, Forbes.com, 21 May 2025 Critics say that Finland should be cautious about the greater dependence on biomass for energy in the center-right government’s plan. Troy Aidan Sambajon, Christian Science Monitor, 22 Apr. 2025 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 9 Jul. 2025.

Kids Definition

biomass

noun
bio·​mass
ˈbī-ō-ˌmas
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)

More from Merriam-Webster on biomass

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