encyclopaedia
n.
see encyclopedia. The Latin spelling survives as a variant because many of the most prominent ones (such as Britannica) have Latin names.
〔李〕[en-=in在……之内；cycl=circle圆圈→all directions or fields各方面；-o-;paedia（与pacideia“教育”混淆）=education教育→“book giving education or knowledge in all fields 提供各方面知识的书”→] n. work containing information on all branches of knowledge百科全书