WordWeb Online

1. 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 speciality
   "reference to a cyclopedia produced the answer";
   - encyclopedia, encyclopaedia [Brit], cyclopaedia [archaic]

Derived forms: cyclopedias

Type of: book of facts, reference, reference book, reference work

Encyclopedia: Cyclopedia