Definition of biomass noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈbaɪəʊmæs//
    ; NAmE NAmE//ˈbaɪoʊmæs//
    [uncountable, singular] (specialist)
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  1. 1the total quantity or mass (= weight) of plants and animals in a particular area or volume
  2. 2natural materials from living or recently dead plants, trees and animals, used as fuel and in industrial production, especially in the generation of electricity biomass crops compare fossil fuel
See the Oxford Advanced American Dictionary entry: biomass