/ənˌsəɪ.kləˈpi.di.ə/► audioScrabble 23Words With Friends 27
Definition
noun a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty.
— synonyms: encyclopedia, cyclopedia, cyclopaedia
Examples
“His life's work was a four-volume encyclopedia of aviation topics.”