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biological shield
biological stressor
biological warfare
biological weapon
biology
bioluminescence
biomagnetics
biomagnification
biomass
biomaterial
biomathematics
biome
biomechanical engineering
biomechanics
biomedical engineering
biomedicine
biometrics
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biomass

bi·o·mass [ b ō màss ] (plural bi·o·mass·es)


noun 
Definition:
 
1. mass of organisms in ecosystem: the mass of living organisms within a particular environment, measured in terms of weight per unit of area

2. plant and animal waste as fuel: plant and animal material, especially agricultural waste products, used as a source of fuel

3. organism's dry weight: the mass of material in a living organism or in a community of organisms, usually measured in terms of dry weight

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