com·pen·di·um /kəmˈpɛndiəm/
  大要,概略
  Com·pen·di·um n.; pl. E. Compendiums L. Compendia   A brief compilation or composition, containing the principal heads, or general principles, of a larger work or system; an abridgment; an epitome; a compend; a condensed summary.
     A short system or compendium of a science.   --I. Watts.
  Syn: -- See Abridgment.
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  compendium
       n 1: a publication containing a variety of works [syn: collection]
       2: a concise but comprehensive summary of a larger work