crack

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crack

(krăk),
1. A fissure.
2.

crack

(krak) an incomplete split, break, or fissure.

crack

Etymology: ME, craken
a street drug made by chemically converting cocaine hydrochloride to a form that can be smoked. Smoking crack is a faster, more direct way of getting cocaine molecules into the brain. Because larger amounts of the drug reach the brain more quickly, the effects are more intense than when cocaine, in the white-powder form, is injected, ingested, or inhaled. Also called crack cocaine, freebase.

crack

Substance abuse A 'free-base' form of cocaine which, when smoked in a pipe, produce a brief, very intense 'high'. See Bingeing, Cocaine, Crack 'smile. ', Free base cocaine.

crack

(krak)
1. A fissure.

crack

A highly purified form of COCAINE which produces an intense reaction of rapid onset. Crack is inherently more dangerous than less concentrated forms and deaths have resulted from its use.

crack

(krak)
A fissure.

crack

a discontinuity in a hard, brittle surface such as horn, hoof.

toe crack

Patient discussion about crack

Q. what causes the sound of cracking noises in the head all the time it was said i had acute sinusitis but honestly i think it is more . I don't know why i have cracking noises in my head . I am very concerned about this also my neck is always stiff feeling and aching all the time. . My eyes are very tired and i see blue spots and they hurt behind the eye very badly . I have headaches very often

A. wow...that really sounds serious...i have chronic sinusitis and i can tell you i had horrible headaches but nothing like you describe now. i would strongly consider going to a hospital and checking it out...
tell us what was the result!

Q. anyone knows how to stop hard skin on the feet from becoming cracked??? during summer my feet got lots of hard skin and in the heel area the skin actually got cracked kinda deep. it hurts now and the cracks are starting to get infected I guess... do u guys know how to solve this?? I know there are some creams for that but I thought maybe now it's too late for that and I need something stronger?

A. There are good creams for moisterizing the skin of your feet on a daily basis, however now that you feel they might be infected you should see a dermatologist for some better treatment.

Q. Im only 17 I have horrble lower back pains. Im constitly rubbing,stretching, or cracking my back. the pain is either a throbbing pain or an ache or sting.I feel it worse when I put my chest out my shoulders back. my back feels like its out of place.

A. Lower back pain is so very common... I have had it for years, and just recently what I found to be very helpful is walking. Even a 30-45 minute walk and then some streching is good. I have hardly had any pain since I started exercising and it feels really good. Swimming is also known to help.

More discussions about crack
References in periodicals archive ?
Crack spreads are calculated by subtracting the price for a barrel of crude oil from the price for an equal volume of gasoline, diesel, jet fuel, or any of the other oil-derived products.
If more refinery construction had been allowed, it was argued, the refinery capacity crunch implied by rising crack spreads and rising pump prices would never have occurred.
However, Fitch notes that the majority of the increase in cash during 2009 came from working capital sources (inventory) as the company actually experienced reduced funds from operations due to weak crack spreads and low utilization levels stemming from reduced product demand in the weakened U.
The 5-3-2 Gulf Coast crack spread declined more than 57 percent on a year-over-year basis in the third quarter, driven principally by a steep decline in refined product margins in September.
The market for all Gulf grades have been supported in recent months by strong crack spreads for naphtha and middle distillates, coupled with expected peak winter demand for heating oil.
While the deal volume in refineries is relatively small, there may be more "bets" on improving crack spreads as investors, some of whom will be private equity-backed, will try to re-do some of the last cycles' great wins," added Collier.
Asia's fuel oil market has been on a roll, with its crack spreads rising to a discount of $1.
Crack spreads, the premiums/losses obtained from refining Brent crude into naphtha, fell to a four week low on Wednesday at $92.
A rise on the impact spot is noted and that thereafter the crack spreads to the inside of the glass witch finally relaxes through a crack to the surface.
In our downstream business, we benefited from stronger global marketing margins and were able to slightly improve our overall realized refining margin in spite of a decrease in global refining crack spreads.
The primary dichotomy that undergirds Christianity--indeed all three monotheistic desert religions--between human beings and the divine, but the crack spreads through body/spirit, immanence/transcendence, materiality/immateriality, immediacy/eternity, and other distinctions.
29 a gallon, while NYMEX crude/heating oil crack spreads narrowed about 25 cents to $11.