nat·u·ral sci·ence • n. (usu. natural sciences) a branch of science that deals with the physical world, e.g., physics, chemistry, geology, and biology. ∎ the branch of knowledge that deals with the study of the physical world. DERIVATIVES: nat·u·ral sci·en·tist n.
"natural science." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (September 25, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/natural-science
"natural science." The Oxford Pocket Dictionary of Current English. . Retrieved September 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/natural-science