1. The circle of sciences; a general system of instruction or knowledge, specially a collection of the principles, principal facts, and discoveries in all branches of science and the arts, digested under proper titles, and arranged in alphabetical order.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• encyclopeadia,
• encyclopaedias,
• wncyclopaedia,
• sncyclopaedia,
• dncyclopaedia,
• rncyclopaedia,
• 4ncyclopaedia,
• 3ncyclopaedia,
• ebcyclopaedia,
• emcyclopaedia,
• encylopaedia,
• encyclpaedia,
• encyclopedia,
• encyclopaediaa,
• enciclopaedia,
• encyclopaedie,
• ensyclopaedic,
• encyclopeedian,
• encyclopediae,
• enclyclopaedic

• encyclopaedic,
• encyclopedist,
• Encyclopedism,
• encyclopaedist,
• encyclopaedism,
• encyclical,
• encyclopedic,
• encyclopedia.

The adjective form of the word "encyclopaedia" is "encyclopedic".

The plural of the "encyclopaedia" can be the "encyclopaedias".

The singular of the "encyclopaedia" can be the "encyclopaedia".