(software engineering) A software architectural pattern promoting the production, detection, consumption of, and reaction to events.

(economics) The impact of a highly improbable occurrence on the economy.

The measurable brain response to a specific sensory, cognitive, or motor event.

plural of event-related potential

plural of transient luminous event

(chiefly science fiction) Synonym of mass extinction

The cosmological horizon; the edge of the observable universe.

plural of cosmic event horizon

plural of mass extinction event

(evolutionary theory, geology) One of five historical events in which the Earth experienced a loss of ∼75% of all species over a geological interval of less than 3 million years, the most recent being the Cretaceous–Paleogene extinction event 66 million years ago.