Last Updated
：2025/11/25
world line
Noun
Japanese Meaning
物理学において、時空間内の経路のこと。特に、素粒子などが生成されてから消滅するまでに辿る軌跡を指し、「世界線」と訳される。
Sense（1）
（ plural ）
Quizzes for review
(physics) A path in spacetime, especially that traversed by an elementary particle from its creation to its destruction.
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world line
On the spacetime diagram, the particle's world line traced a smooth curve from its creation event to its annihilation.
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On the spacetime diagram, the particle's world line traced a smooth curve from its creation event to its annihilation.
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