Biological parent
a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
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- Biological magnification
the increasing concentration of toxic substances within each successive link in the food chain. noun examples
- Biological oxygen demand
biochemical oxygen demand.
- Biological psychiatry
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.
- Biological response modifier
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.
- Biological rhythm
biorhythm.