lightning /lītˈning/

1. A flash of light in the sky, caused by electricity being discharged from thunderclouds
2. A revival or exhilaration supposed to precede death (Shakespeare)

Characterized by speed and suddenness

lightˈning-arrester noun

An apparatus for protecting electrical apparatus in thunderstorms

lightning bug noun

A firefly

lightning chess noun

A fast form of chess in which players must complete their moves within a short time period (also called (US) rapid-tranˈsit chess)

lightning conductor or lightning rod noun

A metallic rod for protecting buildings from lightning

lightning strike noun

An industrial or military strike without warning

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