- 1. The branch of knowledge that produces theoretical explanations of natural phenomena based on experiments and observations. 2. An area of such knowledge that is restricted to explaining a limited class of phenomena. [L. scientia, knowledge, fr. scio, to know]
* * *sci·ence 'sī-ən(t)s n knowledge or a system of knowledge covering general truths or the operation of general laws esp. as obtained and tested through the scientific method and concerned with the physical world and its phenomena
* * *sci·ence (siґəns) [L. scientia knowledge] 1. the systematic observation of natural phenomena for the purpose of discovering laws governing those phenomena. 2. the body of knowledge accumulated by such means.
Medical dictionary. 2011.