Last Updated：2025/11/22

An order for goods or services placed in advance. / (set theory, order theory) A binary relation that is reflexive and transitive.

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preorder

Source Word

preorder

Noun

Japanese Meaning

事前に注文された商品やサービスの注文 / （集合論・順序理論において）反射性と推移性を持つ二項関係

I placed a preorder for the limited edition headphones to ensure I receive them on release day.

限定版ヘッドホンの予約注文をして、発売日に確実に受け取れるようにしました。

Sense（1）

An order for goods or services placed in advance.

Sense（2）

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

The relation of logical implication over sentences is an example of a preorder.

preorders

（ plural ）