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    bi·o·log·i·cal
    /ˌbīəˈläjək(ə)l/

    adjective

    • 1. relating to biology or living organisms. Similar bioticbiologicorganiclivingOpposite inorganicnonliving
    • 2. (of a member of a person's family) genetically related; related by blood: "the rights of the biological father"

    noun

    • 1. a therapeutic substance, such as a vaccine or drug, derived from biological sources: "an international biotechnology company with interests in biologicals, agriculture, and pharmaceutical products"

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