Biological shield
noun
a protective shield impervious to radiation, esp the thick concrete wall surrounding the core of a nuclear reactor
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pertaining to biology. of or relating to the products and operations of applied biology: a biological test. pharmacology. any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease. contemporary examples incest’s defenders joseph huff-hannon september 27, 2009 the new science of reverse aging […]
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noun examples usage note
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commercial products derived from biotechnology. pertaining to biology. of or relating to the products and operations of applied biology: a biological test. pharmacology. any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease. plural noun biological products such as vaccines and therapeutic sera, […]
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the science of life or living matter in all its forms and phenomena, especially with reference to origin, growth, reproduction, structure, and behavior. the living organisms of a region: the biology of pennsylvania. the biological phenomena characteristic of an organism or a group of organisms: she is studying the biology of worms, especially in regard […]