biomass

noun bio·mass \ ˈbī-ō-ˌmas \
|Updated on: 8 Jul 2018

Definition of biomass

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

Recent Examples of biomass from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biomass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biomass

1931

in the meaning defined at sense 1

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Medical Dictionary

biomass

noun bio·mass \ -ˌmas \

medical Definition of biomass

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

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