classification

/ˌklæsɪfɪˈkeɪʃən/
noun
  1. The act or process of putting things into groups based on shared characteristics.
    • Librarians use a system of classification to organize books on the shelves.
    • The classification of animals by species helps scientists study them.
    • The classification of plants depends on their flowers and leaves.
  2. A category or group into which something is placed.
    • The movie received a PG classification, meaning it is suitable for children with parental guidance.
    • Each job in the company has a salary classification based on experience.
    • This document has a security classification of 'confidential'.
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