Classification (noun) Definition, Meaning & Examples

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noun
  1. the act of classifying.
  2. the result of classifying or being classified.
  3. one of the groups or classes into which things may be or have been classified.
  4. the assignment of organisms to groups within a system of categories distinguished by structure, origin, etc. The usual series of categories is phylum (or, especially in botany, division), class, order, family, genus, species, and variety.
  5. the category, as restricted, confidential, secret, or top secret, to which information, a document, etc., is assigned, as by a government or military agency, based on the degree of protection considered necessary to safeguard it from unauthorized use.
  6. any of various systems for arranging books and other materials, especially according to subject or format.
noun
  1. systematic placement in categories
  2. one of the divisions in a system of classifying
  3. biology
    • the placing of animals and plants in a series of increasingly specialized groups because of similarities in structure, origin, molecular composition, etc, that indicate a common relationship. The major groups are domain or superkingdom, kingdom, phylum (in animals) or division (in plants), class, order, family, genus, and species
    • the study of the principles and practice of this process; taxonomy
  4. the designation of an item of information as being secret and not available to people outside a restricted group
    Classification (noun) Definition, Meaning & Examples

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