preorder

  1. Verb.  (transitive) To order (goods) in advance, before they are available.
  2. Noun.  (set theory) A binary relation that is reflexive and transitive.
  3. Adjective.  (computing theory) Of a tree traversal, recursively visiting the root before the left and right subtrees.

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This entry was last updated on RefTopia from its source on 3/20/2012.