speed light

American  

[speed lahyt] / ˈspid ˌlaɪt /

Or speedlight

noun

Photography.

1. another term for electronic flash.

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Etymology

Origin of speed light

First recorded in 1895–1900, for an earlier sense

Example Sentences

This is supposed to whisk us through the grocery line at the speed light.

From Los Angeles Times

Here’s the fun part: they actually travel faster than the speed light can move through the ice.

From Scientific American

If only McEwan could strap on those antigravity boots and travel at 10 times the speed light back into the past.

From Slate

Then look to best practices elsewhere to speed light rail to Ballard and West Seattle.

From Seattle Times

The internet is a problem because it transfers information at the speed light.

From New York Times