biomass
noun
bio·mass
ˈbī-ō-ˌmas 
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
Upon hydration from even slight rain, the cyanobacteria activate and proliferate, secreting a biomass-rich matrix that binds sand particles.
—
Mrigakshi Dixit, Interesting Engineering, 1 Jan. 2026
Clean energy from toxic waste Bio-tar – the thick liquid by-product produced when heating biomass and organic matter – has long been viewed as toxic to the environment and an unavoidable cost of renewable energy production.
—The Week Uk, TheWeek, 30 Dec. 2025
Typically, aircraft flying at high altitude release a lot of water, which, says Trouvé, mostly misses the burning biomass.
—IEEE Spectrum, 24 Dec. 2025
That includes up to $2,000 for qualified heat pumps, water heaters, biomass stoves or biomass boilers and $1,200 for other energy-efficient property costs, including doors, windows, skylights and home energy audits — with limits per item.
—Ryan Ermey, CNBC, 19 Dec. 2025
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Mrigakshi Dixit, Interesting Engineering, 1 Jan. 2026
Clean energy from toxic waste Bio-tar – the thick liquid by-product produced when heating biomass and organic matter – has long been viewed as toxic to the environment and an unavoidable cost of renewable energy production.
—The Week Uk, TheWeek, 30 Dec. 2025
Typically, aircraft flying at high altitude release a lot of water, which, says Trouvé, mostly misses the burning biomass.
—IEEE Spectrum, 24 Dec. 2025
That includes up to $2,000 for qualified heat pumps, water heaters, biomass stoves or biomass boilers and $1,200 for other energy-efficient property costs, including doors, windows, skylights and home energy audits — with limits per item.
—Ryan Ermey, CNBC, 19 Dec. 2025
See All Example Sentences for biomass
Cite this Entry
“Biomass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomass. Accessed 3 Jan. 2026.
Copy CitationKids 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
: the amount of living matter (as in a unit area or volume of habitat)
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