preorder

名词 n. 动词 v. 形容词 adj.
中文释义
英 /pɹiːˈɔːdə/    美 /ˈpɹiˌoɹdɚ/|/ˌpɹiˈoɹdɚ/|/pɹiːˈoːdə/

英文释义

名词 n.
  1. An order for goods or services placed in advance.
    — 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.
动词 v.
  1. To order (goods or services) in advance, before they are available. intransitive,transitive
    — Preorder now at website.com!
  2. To sort or arrange beforehand. transitive
形容词 adj.
  1. Such that, recursively, the root is visited before the left and right subtrees. not-comparable
    — 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.

词形变化

preorders present,singular,third-person preordering participle,present preordered participle,past preordered past pre-order alternative preorders plural pre-order alternative pre-order alternative

词汇关系

近义词
quasiorder
衍生词
preorder algebra preorder atom preorder functor strict preorder
相关词
preordered set

词源

词源 1
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-
English order
English preorder
From pre- + order.
词源 2
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-
English order
English preorder
From pre- + order.
词源 3
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-
English order
English preorder
From pre- + order.
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