Lightning definitions

līt'nĭng
The visible flash of light accompanying such a discharge.
noun
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To discharge a flash of lightning.
verb
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Moving or occurring with remarkable speed or suddenness.
adjective
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A flash, or series of flashes, of light in the sky caused by the discharge of atmospheric electricity from one cloud to another or between a cloud and the earth.
noun
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The act of making bright, or the state of being made bright; enlightenment; brightening, as of the mental powers.
noun
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The definition of lightning is extremely quick.

An example of lightning used as an adjective is lightning speed which means moving very quickly.

adjective
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A sudden, usually improbable stroke of fortune.
noun
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An abrupt, discontinuous natural electric discharge in the atmosphere.
noun
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Such a discharge of electricity.
noun
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To give off such a discharge.
verb
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Like lightning, as in being rapid or instantaneous.

A cat's lightning reflexes.

adjective
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A flash of light in the sky caused by an electrical discharge between clouds or between a cloud and the Earth's surface. The flash heats the air and usually causes thunder. Lightning may appear as a jagged streak, as a bright sheet, or in rare cases, as a glowing red ball.
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A flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth.

Although we did not see the lightning, we did hear the thunder.

noun
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A discharge of this kind.

The lightning was hot enough to melt the sand.

That tree was hit by lightning.

noun
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(figuratively) Anything that moves very fast.
noun
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
noun
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Extremely fast or sudden.
adjective
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Moving at the speed of lightning.
adjective
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(impersonal, childish or nonstandard) To produce lightning.
verb
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Lightning is defined as a flash of light that is caused by the discharge of electricity in the atmosphere.

An example of lightning is the flash of light often seen before the thunder is heard.

noun
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Origin of lightning

Middle English gerund of lightnen to illuminate from lighten from Old English līhtan leuk- in Indo-European roots