encyclopedia [encyclopedias](comprehensive reference with articles on a range of topics) noun [UK: ɪn.ˌsaɪ.klə.ˈpiː.dɪə] [US: ən.ˌsaɪ.klə.ˈpiː.diə]Wikipedia is the best encyclopedia on the Internet. = Wikipedia è l'enciclopedia migliore su Internet.
enciclopedia ambulante noun {f}
walking dictionary(person familiar with a wide range of specialized terms) noun