Encyclopedia
Encyclopedia , noun
[New Latin, from Greek {not transcribed}, for {not transcribed}, instruction in the circle of arts and sciences: compare French encyclopédie. See Cyclopedia, and Encyclical.]
The full circle of arts and sciences; a comprehensive summary of knowledge, or of a branch of knowledge; esp., a work in which the various branches of science or art are discussed separately, and usually in alphabetical order; a cyclopedia.
Also: Encyclopaedia