Meaning of event-particle in English:
event-particle
noun
historical, rare Physics(In or with reference to the works of mathematician and philosopher A. N. Whitehead) an instantaneous occurrence in space-time, having no extent in either space or time.
Proposed as an abstraction of an event, analogous to the notion of a point in geometry.
Origin
Early 20th century; earliest use found in Alfred North Whitehead (1861–1947), mathematician and philosopher.
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