crack


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crack:

see cocainecocaine
, alkaloid drug derived from the leaves of the coca shrub. A commonly abused illegal drug, cocaine has limited medical uses, most often in surgical applications that take advantage of the fact that, in addition to its anesthetic effect, it constricts small arteries,
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What does it mean when you dream about cracks?

Can represent a flaw or weakness. A crack in a dream could be drawing on the meaning of an idiom, such as “papering over the cracks,” “cracking up,” or “falling through the cracks.”

crack

[krak]
(chemistry)
To break a compound into simpler molecules.
(engineering)
To open something slightly, for instance, a valve.
(science and technology)
A fissure.

crack

A building defect consisting of complete or incomplete separation within a single element or between contiguous elements of constructions.

crack

1. a break or fracture without complete separation of the two parts
2. a physical or mental defect; flaw
3. a broken or cracked tone of voice, as a boy's during puberty
4. Slang a processed form of cocaine hydrochloride used as a stimulant. It is highly addictive
5. Obsolete slang a burglar or burglary

crack

To break into. See cracker.
References in periodicals archive ?
After 12 h of anodization, one sample suffered from wide and prominently cracks while the other having rounded edges remained crack free.
The panel life estimation of fatigue crack growth behavior was estimated using Paris law.
1] at a particular nodal point exceeds the failure envelope mandated by the Kupfer-Hilsdorf-Rusch criteria, a discrete crack is inserted in the FEM, enabling node separation.
The widely used commercial finite element software ABAQUS is applied to investigate the temperature, thermal stress and SIF distribution in crack models under thermal shock load.
17] studied the nonlinear dynamic response to simple harmonic excitation of a thin-walled beam with a breathing crack by employing a refined one-dimensional model.
On the other hand if cracks develop in older properties, the cause of the movement could be reason for concern and should be investigated by a building professional to determine the causation.
In this criterion it is assumed that the crack growth follows the direction of minimum distortion energy density at a distance corresponding to a specified value of dilatation energy.
Like other engineering materials, the fatigue life of aluminum castings consists of two parts: fatigue crack initiation life and fatigue crack propagation life, which can be further divided into short and long fatigue crack propagation life.
To estimate the crack tensor components one has to know a statistical distribution of crack geometry and orientation, represented by density function E(a, c, [bar.
Airbus said the cracks were found on a number of 'non-critical' brackets inside the wings of two aircraft during routine two-year inspections, after similar flaws showed up in five aircraft in early January.
It is important to accurately assess structural cracks to determine what is significant and what is not," said John Duntemann, a principal at consulting engineering firm Wiss, Janncy, Flstner Associates (WJE).
The paper sets out numerically obtained J-integral values presented as measure of crack driving force versus crack growth size ([DELTA]a) for three initial measures of a specimen crack size, being a/W= 0.