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Biological oxygen demand

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  a school of psychiatric thought concerned with the medical treatment of mental disorders, especially through medication, and emphasizing the relationship between behavior and brain function and the search for physical causes of mental illness.

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  a therapeutic substance that is produced naturally or synthesized as a drug to stimulate the body’s immune defense against disease or infection. Abbreviation: BRM.

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  the nutritional effectiveness of the protein in a given food, expressed as the percentage used by the body of either the total protein consumed or the digestible protein available. Historical Examples Studies in the Theory of Descent (Volumes 1 and 2) August Weismann Northern Nut Growers Association Report of the Proceedings at the Various An […]

• Biological warfare

  warfare that makes use of bacteria, viruses, toxins, etc., to disable or destroy people, domestic animals, and food crops. Abbreviation: B.W. noun the use of living organisms or their toxic products to induce death or incapacity in humans and animals and damage to plant crops, etc BW

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