What defines an encyclopedia?

An encyclopedia is defined as a comprehensive reference work that provides a wide range of information on various subjects, typically organized in an alphabetical format. This format facilitates easy navigation and allows users to find information on specific topics quickly. Encyclopedias are designed to cover significant knowledge across many fields such as science, history, geography, and culture, making them valuable resources for research and education.

In contrast, the other options do not fit the definition of an encyclopedia. A collection of short stories about historical events would be more aligned with a narrative format, lacking the objective factual presentation that characterizes encyclopedias. A type of dictionary that focuses solely on definitions provides limited information, focusing primarily on word meanings rather than broader topics. Finally, a publication that discusses contemporary issues only would not encompass the wide-ranging subject matter that encyclopedias cover, confining itself to current topics rather than providing a holistic view of knowledge across various disciplines.