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Definition of biomass

biomass

/ˈbaɪ.oʊˌmæs/
bi · o · mass
Plural:biomasses
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biomass Lexical Profile

biomass Game Scores & Validity

• noun

1

Organic matter derived from plants and animals, especially when used as a renewable source of fuel to generate heat or electricity.

Example

"The power plant was retrofitted to burn wood pellets and agricultural biomass instead of coal."

2

The total quantity or weight of living organisms in a given area, habitat, or volume.

Example

"Marine biologists measured a significant decline in the total fish biomass across the coral reef."

Synonyms
View all synonyms for biomass

• Nearby Words

biologically
biologist
biology
biomass
biomechanics
biomedical
biometric

Word Origin & Etymology

Coined in the early 20th century, combining the Greek prefix 'bio-' (from 'bios', meaning 'life') with the noun 'mass' (from Latin 'massa', meaning 'lump' or 'body of matter').

Cite this Entry

Wordmom. (2026). Definition of Biomass. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/biomass
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