Last Updated：2025/11/22

(mathematics) A vector in four-dimensional vector space, especially one having three spatial dimensions and one temporal dimension.

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four-vector

Source Word

four-vector

Noun

(mathematics) A vector in four-dimensional vector space, especially one having three spatial dimensions and one temporal dimension.

Japanese Meaning

四元ベクトル：四次元のベクトル空間内にあるベクトルで、通常は空間の3次元と時間の1次元を含む。

In special relativity, the energy and momentum of a particle can be combined into a single four-vector.

特殊相対性理論では、粒子のエネルギーと運動量は一つの四元ベクトルとしてまとめられる。

Sense（1）

(mathematics) A vector in four-dimensional vector space, especially one having three spatial dimensions and one temporal dimension.

four-vectors

（ plural ）