crystal

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Related to Nanocrystal: Semiconductor nanocrystal

crystal

 [kris´t'l]
a homogeneous angular solid of definite form, with systematically arranged elemental units.
hydroxyapatite crystal microscopic crystals of hydroxyapatite occurring in joints or bursae in a variety of connective tissue disorders.

crys·tal

(kris'tăl),
A solid of regular shape and, for a given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the liquid form or of precipitating out of solution, to allow the individual molecules to take up regular positions with respect to one another.
[G. krystallos, clear ice, crystal]

crystal

/crys·tal/ (kris´t'l) a homogeneous angular solid of definite form, with systematically arranged elemental units.
blood crystals  hematoidin crystals in the blood.
Charcot-Leyden crystals  elongated, diamond-shaped, birefringent crystals derived from disintegrating eosinophils, seen in serous fluids such as the bronchial secretions in asthma and in stools in some cases of intestinal parasitism.

crystal

[kris′təl]
Etymology: Gk, krystallos
a solid substance, either organic or inorganic, the atoms or molecules of which are arranged in a regular, repeating three-dimensional pattern, which determines the shape of a crystal. crystalline, adj.

crystal

Drug slang A popular term for a crystallized form of methamphetamine; PCP; amphetamine; cocaine Urology Kidney stone, see there Vox populi A formed structure, often composed of a single type of material, which has a characteristic appearance by LM. See Birefringent crystal, Calcium oxalate crystal, Charcot-Leyden crystal, Coffin lid crystal, Hemoglobin C crystal, Jackstraw crystal, Lead crystal, Parking lot crystal, Piezoelectric crystal, Reinke crystal, Rhomboid crystal, Space crystal, Uric acid crystal, Washington monument crystal.

crys·tal

(kris'tăl)
A solid of regular shape and, for any given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the liquid form or of precipitating out of solution, to allow the individual molecules to take up regular positions with respect to one another; can be seen in body fluids.
[G. krystallos, clear ice, crystal]

crystal,

n distinctive form of molecule created when an element or chemical compound is frozen or slowly solidified. Each element or compound has a unique structure often used in gem healing and in amulets of pendulum.

crys·tal

(kris'tăl)
A solid of regular shape and, for a given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the liquid form or of precipitating out of solution, to allow the individual molecules to take up regular positions with respect to one another.
[G. krystallos, clear ice, crystal]

crystal(s),

n a naturally produced solid. The ultimate units of the substance from which it was formed are arranged systematically.

crystal

a naturally produced angular solid of definite form.

crystal-associated hepatopathy
crystal-induced arthritis
piezoelectric crystal
the source of sound waves in ultrasonography.
radiographic c's
crystals on radiographs caused by faulty use of fixative, commonly excess acidity or insufficient washing of the film.
synovial crystal
tissue crystal
recognizable crystals in tissues occur in crystal-associated cholangiohepatopathy, zinc and oxalate poisoning.
urines c's
crystal violet
a brilliant organic deep purple dye.
crystal violet vaccine
an obsolete hog cholera (classical swine fever) vaccine.
References in periodicals archive ?
Scientists have been making nanocrystals in the lab since the 1980s.
Silicon nanocrystals (ncSi) produced by current methods are polydisperse, meaning that producing them results in particles of different sizes at the nanoscale--from one to 100 nanometres --with one to five nanometres showing the greatest quantum effects.
Selenium rather than cadmium is used to track the nanocrystal areal density due to the excess cadmium that is present.
Because the nanocrystals can be tuned not only to emit but also to absorb a wide spectrum of colours of light, they could enable a new kind of broad-spectrum solar cell.
Lee said his company, the Asia headquarters of the Nanocrystal Group, will launch initial public offering (IPO) in Canada in six months, with total market value of its listed shares to hit around US$80 million then.
We are pleased to have this opportunity to broaden biological and clinical applications for fluorescent nanocrystal products.
In this paper, the effects of a nanocrystal ZnO on thermal degradation or crosslinking of several polymers were investigated in comparison to a conventional micron-size ZnO and also a common antioxidant.
We forecast the total market size in 2021 to be US$136 billion, with a 60/40 split between nanocrystals and nanocarriers respectively.
Now, University of Pennsylvania engineers have shown a new approach for making these devices: sequentially depositing their components in the form of liquid nanocrystal "inks.
M2 EQUITYBITES-March 10, 2011-Elan Drug Technologies awarded European Commission approval for XEPLION with nanocrystal technology for schizophrenia(C)2011 M2 COMMUNICATIONS http://www.
The new phase-change materials - nanocrystal alloys of a metal and semiconductor -found by researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley, are called "BEANs," for binary eutectic-alloy nanostructures.
2] is a well characterized material that is known to passivate semiconductor nanocrystal surfaces.