PREORDER

Etymology

Verb

preorder (third-person singular simple present preorders, present participle preordering, simple past and past participle preordered)

(transitive) To order (goods or services) in advance, before they are available.

(transitive) To sort or arrange beforehand.

Noun

preorder (plural preorders)

An order for goods or services placed in advance.

(set theory, order theory) A binary relation that is reflexive and transitive.

Synonyms

• (binary relation that is reflexive and transitive): quasiorder

Hyponyms

• (binary relation that is reflexive and transitive)

partial order

total order

well-order

Adjective

preorder (not comparable)

(computing theory, of a traversal of a tree) Such that, recursively, the root is visited before the left and right subtrees.

Coordinate terms

• inorder

• postorder

Hypernyms

• depth-first

Source: Wiktionary

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Pre*or"der, v. t.

Definition: To order to arrange beforehand; to foreordain. Sir W. Hamilton.

Source: Webster’s Unabridged Dictionary 1913 Edition

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