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 ?
I've started to spot cracks in the walls of my home.
Chow said the road, Jalan Bukit Lama, was recently repaired so the contractor must investigate the cause of the cracks.
The researchers attribute this persistence of elevated fatality rates to the surge in gun possession that occurred as dealers armed themselves for ferocious turf batdes when crack first hit the streets.
Using the proper installation method, the provided drilling templates and setting the staples in the instructed stitching method of a six inch, then three inch and six inch staple, repeated for the length of the crack, will stabilize and secure the structure with up to 5000 lbs.
At present, crack propagation of brittle materials occurs through (i) tension crack and (ii) slide crack.
The possibility of hydraulic fracturing occurrence is analyzed, and the critical crack length is obtained when hydraulic fracturing occurs.
Based on the theory of linear elastic fracture mechanics (LEFM), a fairly high coefficient is applied to the stress in the vicinity of the crack tip.
Keywords: Oil shale, Crack, Thermal cracking, Heating time, Temperature.
After 24 h of anodization the AAO experienced cracks prominently at every edge less electropolished (4min) sample having sharp edges while no any crack appeared in the other sample which was electropolished for double time (8min) as shown in Fig.
In this paper, fracture mechanics approach is adopted, an analytical approach as a preliminary step investigation of fatigue life and crack growth rate is estimated in a structure.
This crack has formed in Larsen C, an ice shelf drifting off the Antarctic Peninsula.
In the abovementioned works and other works [26-32], the partially insulated boundary condition is mainly used and the closed-form solutions have been obtained for the thermoelastic field around the penny-shaped crack under the loading of uniform heat flow.