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The Collaborative International Dictionary
Streaking

Streak \Streak\, v. t. [imp. & p. p. Streaked; p. pr. & vb. n. Streaking.]

  1. To form streaks or stripes in or on; to stripe; to variegate with lines of a different color, or of different colors.

    A mule . . . streaked and dappled with white and black.
    --Sandys.

    Now streaked and glowing with the morning red.
    --Prior.

  2. With it as an object: To run swiftly. [Colloq.]

Douglas Harper's Etymology Dictionary
streaking

"running naked in public," 1973, verbal noun from streak (v.).

Wiktionary
streaking

n. Condition of being streaked; a streak. vb. (present participle of streak English)

Wikipedia
Streaking

Streaking is the act of running naked through a public place as a prank, dare or an act of protest.

It is often associated with sporting events but can occur in more secluded areas. It usually involves running quickly which also reflects the original meaning of the word before it became associated with nudity. Streakers are often pursued by sporting officials or by the police.

Streaking (microbiology)

In microbiology, streaking is a technique used to isolate a pure strain from a single species of microorganism, often bacteria. Samples can then be taken from the resulting colonies and a microbiological culture can be grown on a new plate so that the organism can be identified, studied, or tested.

The modern streak plate method has progressed from the efforts of Robert Koch and other microbiologists to obtain microbiological cultures of bacteria in order to study them. The dilution or isolation by streaking method was first developed by Loeffler and Gaffky in Koch's laboratory, which involves the dilution of bacteria by systematically streaking them over the exterior of the agar in a petri dish to obtain isolated colonies which will then grow into quantity of cells, or isolated colonies. If the agar surface grows microorganisms which are all genetically same, the culture is then considered as a microbiological culture.

Usage examples of "streaking".

But by then she had jumped out of the ambulance and was streaking toward the parking lot.

Lo Manto and Rossi stood five feet from each other, each with a gun in his right hand, both bleeding, sweat streaking their faces.

At last he opened the door of a small ante-room and found Sperling, tears streaking down his face, standing in the middle of the room holding a pistol to his head.

The SB2Cs hurtled almost straight down from 15,000 feet, the pilots leaning forward, concentrating on the growing targets, wishing there were 1,000-pounders in their bomb bays instead of the two 500s, ignoring the flashing, streaking, smoking flak, around the edges of their vision seeing the altimeters unwind and the square-winged fighters sweep across their targets, the rocket hits sparkle and smoke against the steel, the bombs of planes ahead spouting close aboard or flashing beautifully on decks and turrets.

And within one minute the Arg helicopters were on them again, streaking in low over the grass, both firing now, and Douglas Jarvis flung himself over Rick Hunter to take the impact of the bullets himself.

Purple and black bolts of magic spat from each bony finger, streaking unerringly across the chamber to smite the thieves.

Sloppy lumps congealed in their eyebrows and pubic hair, the diarrhoeic paste streaking their bodies like a cheap fake sun-tan cream.

He held her against his chest for a minute as she sat on the edge of the desk, his bountiful leavings streaking her legs and dripping to the floor.

And then it came, the first wave of shells ripping through the lines, solid shot rolling through the men like a hard wind, some streaking overhead, some plowing down into the ground beneath their feet.

Eleven strong, the Rocs hurtled into the Federation camp, streaking toward the watch fires.

Despite the dirt streaking their bodies, they had made an effort to keep their hair neat, tying it back into loose braids with strips of cloth.

That which appears only like a thin and silvery cloud streaking the heaven is in effect composed of innumerable clusters of suns, each shining with its own light, and illuminating numbers of planets that revolve around them.

An aircar came in on a low approach, streaking over the forest canopy to land with a sudden braking blast in a small open area.

I had given the heading to the fighter bombers and they were streaking in at 420 knots probably at about 150 feet over the tops of the trees.

Kurton and Burka drew their disruptors and sent scarlet beams streaking across the tavern.