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 ?
How can a mold made of stainless steel crack from corrosion when corrosion resistance is the main purpose for using the stainless mold steel?
Karl Sheldon, a crack-specific worker with the UK drug and alcohol treatment charity Addaction on Teesside, said their team served more than 140 clients with crack cocaine problems.
According to Chertkov and Ravina's (1998) model of vertical shrinkage cracks the knowledge of the maximum crack depth, [z.
This paper looks at a recent chapter in the story of the African-American family, the devastation of crack cocaine on already distressed inner-city families.
Improving the dispersion with longer mixer cycles improves DeMattia crack growth resistance.
I first dropped The Crack Mixtape with my boy and my brother, we did that.
Every morning she lies on her back and splits her legs open, making a big crack.
Consider a shaft with given stiffness properties, radius R=D/2 and a transverse crack of depth [alpha] Figure 3.
So the researchers needed a method to enhance cracks--similar to the way human graders squeeze the egg along the crack to see if it opens.
This process exposes any existing cracks that may be present, without causing new cracks in intact eggs.
In short term applications, the fracture failure criterion for polymers can be determined by considering unstable (critical) crack propagation in which the stress intensity factor K (or strain energy release rate G) reaches a critical value [K.
It's extremely common for joints to crack, pop and snap," said Robert D.