any science that deals with living organisms, their life processes, and their interrelationships, as biology, medicine, or ecology.
any one of the branches of science concerned with the structure and behaviour of living organisms, such as biology, botany, zoology, physiology, or biochemistry Compare physical science See also social science

life science n.
Any of several branches of science, such as biology, medicine, anthropology, or ecology, that deal with living organisms and their organization, life processes, and relationships to each other and their environment. Also called bioscience.
life science
Any of several branches of science, such as biology, medicine, and ecology, that study the structural and functional organization of living organisms and their relationships to each other and the environment. Compare physical science.


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