Find the word definition

Douglas Harper's Etymology Dictionary
split-second

1884, originally the name of a type of stopwatch with two second hands that could be stopped independently. Meaning "a fraction of a second" is from 1912, from split (adj.) + second (n.1); adjectival meaning "occurring in a fraction of a second" is from 1946.

Wiktionary
split-second

n. The nick of time; a brief moment.

Usage examples of "split-second".

The strict chronology of the Diaboli had made a split-second plan possible.

Rogers, who was a split-second slower, went sprawling across the corridor, where he lay unconscious beside his phaser.

Defeating Eames will require split-second timing and flawless teamwork.

He wakes up every morning to face a split-second, 18-hour-a-day schedule of meetings, airports, speeches, press conferences, motorcades and handshaking.

Whoever or whatever had taken over video broadcasts had also managed to take over remote controls, perhaps by periodically zapping the planet with split-second bursts of infrared radiation.

Y'ang-Yeovil gave her a split-second inspection and realized that his first appreciation of her had not been mistaken.

But knowledge gleaned from texts might not channelize readily into the split-second decisions of physical combat.

Across the yawning gulf of Box Canyon, on the skyline of the opposite rim, he saw--or imagined he saw--a human figure mounted on a red and chrome vehicle, probably a three-wheel all-terrain bike, glimpsed in the split-second action of climbing the ridge.

Split-second blasts of music, commercials, and disc jockeys' voices blared senselessly out of the speakers.

So I put on my false foot, wrote out the note to leave at the desk, and grabbed my cane-and that split-second timing I have noticed too many times in my life again took place, a timing that impels me more than anything else to think that this crazy world is somehow planned, not chaos.

From deep within the engine compartment came the muted, shrill whine of the starter engines, followed a split-second later by the full-throated roar of the jets as they caught fire.

A split-second reaction, honed by years of looking over her shoulder, saved her.

Jimmy would have screamed if Remo's right hand had not buried itself knuckle-deep into his solar plexis, only a split-second earlier, knocking the air and the sound from him.

In emergencies, he could react with split-second timing, something no true Loti could accomplish.

And despite the restrictions of the office, she sent the rifle through a manual of arms that was so spinning and so ornate that the weapon was a blur except at those instants when it came to split-second positions, dead still.