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

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

But bogs store much more than the physical overabundance of dead biomass. — Literary Hub, 16 Oct. 2026

To address this challenge, the scientists turned to bamboo biochar, a carbon-rich material created by heating bamboo biomass with little to no oxygen. — Georgina Jedikovska, Interesting Engineering, 8 Oct. 2026

Word History

First Known Use

1931, in the meaning defined at sense 1

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 

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