lightningnoun [U]uk us /ˈlaɪt.nɪŋ/
- Fractals are used in the study of things like forked lightning and to produce some types of computer graphics.
- The computer failure was due to a glitch caused by lightning.
- The lightning had damaged the plane's instruments, and they weren't giving any readings.
- Have you ever been struck by lightning?
- A special system prevents the circuitry being tripped accidentally by a power surge or lightning strike.