Encyclopedia: Wikipedia is a free

Wikipedia is a free online encyclopedia , created and edited by volunteers around the world and hosted by the Wikimedia Foundation. Encyclopedia Containing over 500,000 terms, TheFreeDictionary's Encyclopedia is compiled from a number of sources, including McGraw-Hill Dictionary of Scientific & Technical Terms. The current McGraw-Hill Dictionary of Scientific & Technical Terms contains more than 100,000 entries and more than 16,000 hypertext cross-references. TheFreeDictionary's Encyclopedia also draws from the McGraw-Hill Dictionary of Architecture and Construction, which includes more than 24,000 entries on topics ... 7.2 DEFINITION AND SCOPE OF ENCYCLOPAEDIAS The word `encyclopaedia is derived from the Greek word `enkyklios paideia' meaning 'general education'. It meant `circle of knowledge' or `circle of learning' or `a complete system of The meaning of the term has undergone a considerable change during its long history. The term encyclopaedia is now applied to any reference work of one or more volumes consisting of articles pertaining to all branches or some special branch of human knowledge, usually ... An online encyclopedia , also called an Internet encyclopedia , is a digital encyclopedia accessible through the Internet. Some examples include pre- World Wide Web services that offered the Academic American Encyclopedia beginning in 1980, [66] Encyclopedia .com since 1998, Encarta from 2000 to 2009, Wikipedia since 2001, and Encyclopædia ...