classification

Meanings

1. 1
   noun

   The act of arranging things into groups based on shared qualities.

   The classification of plants into families helps scientists study them.

2. 2
   noun

   A group or category that something is placed into.

   This book falls under the fiction classification.

3. 3
   noun

   An official decision to keep documents or information secret.

   The files have a high security classification.

Etymology tree Proto-Indo-European *kelh₁-der. Proto-Italic *klāssis Latin classislbor. French classe Proto-Indo-European *dʰeh₁-der. Proto-Italic *-fakāō Latin -ficōder. French -ifier French classifier Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ation Middle French -ation French -ation French classificationbor. English classification Borrowed from French classification.

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