Dictionary

preorder en · ADJ

Pronunciation

• (US) audio
• /pɹiːˈɔːdə/ (Received-Pronunciation)
• /ˈpɹiˌoɹdɚ/ (Canada, General-American) most common
• /ˌpɹiˈoɹdɚ/ (Canada, General-American)
• /pɹiːˈoːdə/ (Australia, New-Zealand)

Etymology

Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *h₂er-der. Proto-Italic *ordōder. Latin ōrdinem Old French ordneder. Middle English ordre English order English preorder From pre- + order.

Meanings

1. (not-comparable, of a traversal of a tree) Such that, recursively, the root is visited before the left and right subtrees.
   • Now, the preorder traversal of a tree can be constructed from the preorder traversals of the subtrees rooted at the children of the root of the tree. 2002, Gabriel Valiente, Algorithms on Trees and Graphs, Springer, page 115:
   • In the program given above, tree is constructed and is traversed in inorder, preorder and postorder traversal. 2006, ISRD Group, Data Structures Using C, Tata McGraw-Hill Education, page 254:
   • 2011, Ananda Rao Akepogu, Radhika Raju Palagiri, Data Structures and Algorithms Using C++, Pearson Education India, page 9.16, The preorder traversal visits a node first after which it traverses its left subtree and then traverses its right subtree.

Forms

Coordinates

inorder · postorder

Hypernyms

depth-first

preorder en · NOUN

Pronunciation

• (US) audio
• /pɹiːˈɔːdə/ (Received-Pronunciation)
• /ˈpɹiˌoɹdɚ/ (Canada, General-American) most common
• /ˌpɹiˈoɹdɚ/ (Canada, General-American)
• /pɹiːˈoːdə/ (Australia, New-Zealand)

Etymology

Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *h₂er-der. Proto-Italic *ordōder. Latin ōrdinem Old French ordneder. Middle English ordre English order English preorder From pre- + order.

Meanings

1. An order for goods or services placed in advance.
   • Head over to website.com and get your preorder in.
   • available for preorder
2. A binary relation that is reflexive and transitive.
   • The relation of logical implication over sentences is an example of a preorder.
   • 2000, Jean-Charles Pomerol, Sergio Barba-Romero, Multicriterion Decision in Management: Principles and Practice, Springer, Softcover, page 58, It can easily be verified that the above relation is a preorder, i.e. that it is reflexive and transitive.
   • Let us first compare S#95;1, S#95;2 and S#95;3 w.r.t. the partial preorder #92;succeq. 2010, S. Kaci, “Refined Preference-Based Argumentation Frameworks”, in Pietro Baroni, F. Cerutti, M. Giacomin, G. R. Simari, editors, Computational Models of Argument: Proceedings of COMMA 2010, IOS Press, page 306:
   • Example 436 For each set A, the relation #92;subseteq is a preorder on #92;mathcal#123;P#125;(A). 2002, Yves Nievergelt, Foundations of Logic and Mathematics, Springer (Birkhäuser), page 152:

Forms

Deriveds

preorder atom · preorder functor · strict preorder · preorder algebra

Hyponyms

equivalence relation (binary relation that is reflexive and transitive) · well-order (binary relation that is reflexive and transitive) · partial order (binary relation that is reflexive and transitive) · total order (binary relation that is reflexive and transitive)

Relateds

preordered set

Synonyms

quasiorder

Translations (13)

ru предзаказ (order in advance) · ru предпоря́док (binary relation) · de Vorbestellung (order in advance) · fi ennakkotilaus (order in advance) · bg предвари́телна поръ́чка (order in advance) · es preorden (binary relation) · el προπαραγγελία (order in advance) · pl praporządek (binary relation) · mk преднарачка (order in advance) · fi esijärjestys (binary relation) · de Präordnung (binary relation) · cs předuspořádání (binary relation) · sh prednarudžba (order in advance)

preorder en · VERB

Pronunciation

• (US) audio
• /pɹiːˈɔːdə/ (Received-Pronunciation)
• /ˈpɹiˌoɹdɚ/ (Canada, General-American) most common
• /ˌpɹiˈoɹdɚ/ (Canada, General-American)
• /pɹiːˈoːdə/ (Australia, New-Zealand)

Etymology

Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *h₂er-der. Proto-Italic *ordōder. Latin ōrdinem Old French ordneder. Middle English ordre English order English preorder From pre- + order.

Meanings

1. (intransitive, transitive) To order (goods or services) in advance, before they are available.
   • Preorder now at website.com!
2. (transitive) To sort or arrange beforehand.

Forms

Translations (7)

el προπαραγγέλνω (to order in advance) · sv förbeställa (to order in advance) · fi ennakkotilata (to order in advance) · io prekomendar (to order in advance) · pl preorderować (to order in advance) · de vorbestellen (to order in advance) · sh prednaručiti (to order in advance)