life science li·fes·cience uncommon noun 1. any of the branches of natural science dealing with the structure and behavior of living organisms Synonymslife sciencebioscience Related words Broader terms natural science Narrower terms biologybiomedical sciencebiometricsdermatoglyphicsdieteticseugenicsdysgenicsmedical science WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
