A broad flash of lightning, with no visible bolt, due to reflection.

A thunderstorm.

(offensive) Supposed cause of a fire which is in fact deliberately lit by the property owner in order to benefit from insurance or similar such as destruction of documents.

Something incredibly fast (now mainly used in comparison: like or faster than greased lightning).

A short-lived glowing ball sometimes observed to float in the air and thought to consist of ionized gas associated with thunderstorms.

plural of lightning detector

plural of lightning conductor

Illegally distilled whiskey.

(meteorology) A system that displays a map of the position of recorded or real-time lightning discharges relative to the user or other objects.

Intracloud lightning; lightning which occurs within a cloud, resulting in the discharge of electricity between regions of the cloud. (Often, but not always, this takes the form of sheet lightning.)