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Simple English; سنڌي; Slovenčina ... A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols). [1] [2] Definitions can be ...
This definition has been championed by Ernst Mach [25] [26] and has since been developed into the notion of operationalism by Percy W. Bridgman. [27] [28] The simple classical mechanics definition of mass differs slightly from the definition in the theory of special relativity, but the essential meaning is the same.
The Simple English Wikipedia is a modified English-language edition of Wikipedia written primarily in Basic English and Learning English. [2] It is one of seven Wikipedias written in an Anglic language or English-based pidgin or creole .
This definition explicitly ignores the biological concept of race, which is still subject to scientific debate. In the words of David C. Rowe , "[a] racial concept, although sometimes in the guise of another name, will remain in use in biology and in other fields because scientists, as well as lay persons, are fascinated by human diversity ...
Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology ...
The official United Nations definition of ethnic cleansing is "rendering an area ethnically homogeneous by using force or intimidation to remove from a given area persons of another ethnic or religious group." [39] As a category, ethnic cleansing encompasses a continuum or spectrum of policies.
Others have different definitions; a common element in the definitions is a focus on newness, improvement, and spread of ideas or technologies. Innovation often takes place through the development of more-effective products , processes, services , technologies , art works [ 3 ] or business models that innovators make available to markets ...
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.