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
例句
用作名词 (n.)
I found the cyclopedia very useful. 我认为百科全书很有用。
When John has to write a report,he would refer to the cyclopedia. 约翰必须写报告时，就会查阅百科全书。
美
[ˌsaɪklə'piːdɪə]
