/
ɛnˌsʌɪklə(ʊ)ˈpiːdɪə,
ɪn-/
n.
a book or set of books giving information on many subjects or on many aspects of one subject, typically arranged alphabetically.
Etymology
C16: mod. L., from pseudo-Gk enkuklopaideia for enkuklios paideia ‘all-round education’.