(cosmology, astronomy) An occurrence which causes the end of the universe or which destroys the planet earth; a global cataclysm.

A transmitter encodes data by producing a signal which is a continuous stream of signalling events each which has sufficient information for the receiver to recover the original data. Just like a quantum leap is the smallest measurable leap, a signalling event is the smallest possible amount of signal that the receiver needs to recover the original data without error.

prediction market

A public event such as a ballgame, parade, or festival that requires transportation planning, especially including roadway closure, and often a city permit in consequence.

A particularly shocking medical error that should never occur.

plural of event-goer

One who attends an event.

(evolutionary theory, geology) Synonym of mass extinction

at any rate, anyhow

(athletics) An athletics discipline that takes place on the track, such as a sprint, steeplechase