blank

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blank

1. a plate or plug used to seal an aperture
2. a piece of material prepared for stamping, punching, forging, etc
3. Archery the white spot in the centre of a target

blank

[blaŋk]
(analytical chemistry)
In a chemical analysis, the measured value that is obtained in the absence of a specified component of a sample and that reflects contamination from sources external to the component; it is deducted from the value obtained when the test is performed with the specified component present. Also known as analytical blank.
(design engineering)
(electronics)
To cut off the electron beam of a television picture tube, camera tube, or cathode-ray oscilloscope tube during the process of retrace by applying a rectangular pulse voltage to the grid or cathode during each retrace interval. Also known as beam blank.
(engineering)
The result of the final cutting operation on a natural crystal.
(metallurgy)
A semifinished piece of metal to be stamped or forged into a tool or implement.
A semifinished, pressed, compacted mass of powdered metal.
Metal sheet prepared for a forming operation.
(ordnance)
Ammunition which contains no projectile but which does contain a charge of low explosive, such as black powder, to produce a noise.
References in periodicals archive ?
TRUNDLES ALONG - Keanu Reeves often stares blankly at the camera
He opened his eyes again, but stared blankly, as if he couldn't remember where he was or what he'd said.
Across town, at the end of an alley leaking sewage, Sali Ismail, 16, spends her days staring blankly at the television.
One of the ways is the way of ignoring the past--the way of remaining blankly ignorant of the human past as the animals are blankly ignorant of their past and so of drifting through life as animals do, without reference to the experience of bygone generations.
I appreciate the confidence that is now bestowed on these children who have been staring at me blankly for weeks regarding the beginning pitches of their assignments.
On the split screen, the wind whipped Embedouin stares blankly for a delayed second.
At home, we see the Man sitting on the edge of his bed, staring blankly into space, surrounded on all sides by a canopy of darkness.
When the ambassador looked at him blankly the man grabbed him, pulled him close and repeated his words slowly for emphasis.
Kordic (38), dressed in a black suit, stared out blankly from behind gold-rimmed glasses as the prosecution laid out its case.
On the darker side, monkeys who grow up clinging to the cold, unresponsive body of a wire-mesh substitute mother become social misfits, cowering and staring blankly out of hollow eyes.