streak


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Related to streak: blue streak

streak

1. 
a. (of lightning) a sudden flash
b. (as modifier): streak lightning
2. Mineralogy the powdery mark made by a mineral when rubbed on a hard or rough surface: its colour is an important distinguishing characteristic

streak

[strēk]
(mineralogy)
The color of a powdered mineral, obtained by rubbing the mineral on a streak plate.
References in classic literature ?
As the road-mender plied his dusty labour, and the hail-clouds, rolling away, revealed bright bars and streaks of sky which were responded to by silver gleams upon the landscape, the little man (who wore a red cap now, in place of his blue one) seemed fascinated by the figure on the heap of stones.
Soon a red streak became visible in the horizon, the waves whitened, a light played over them, and gilded their foaming crests with gold.
One other stride did bold Jason make; and, suddenly as a streak of lightning, on came these fiery animals, roaring like thunder, and sending out sheets of white flame, which so kindled up the scene that the young man could discern every object more distinctly than by daylight.
At the earliest streak of day one of the leaders would mount his horse, and gallop off full speed for about half a mile; then look round for Indian trails, to ascertain whether there had been any lurkers round the camp; returning slowly, he would reconnoitre every ravine and thicket where there might be an ambush.
Day after day through a cold streak of heavens as bare and poor as the inside of a rifled safe a rayless and despoiled sun would slink shamefacedly, without pomp or show, to hide in haste under the waters.
Then she went on sitting, and hatched them: and in a few days they crawled out, and had only a little red streak across their necks, where the tailor had sewn them together.
She sat behind the bookcase with her eyes fixed on a streak of light escaping from the pantry door and listened to herself and pondered.
She was not looking at the sculpture, probably not thinking of it: her large eyes were fixed dreamily on a streak of sunlight which fell across the floor.
The lights from the lanterns dimly showed the way, but it was a gloomy journey, and they were pleased when a broad streak of light ahead assured them they were coming to a second landing.
At seventeen feet they struck a thin streak of gravel, and in it coarse gold, testpans running as high as six and eight dollars.
Passing under the stern, we read Streak, painted in small white letters.
It seemed as if stirred by a streak of wind, which not only bent it, but pressed it down--crushed it so that it did not rise; and this movement was slowly prolonging itself directly toward us.