crystal (redirected from Monocrystalline)

crystal /crys·tal/ (kris´t'l) a homogeneous angular solid of definite form, with systematically arranged elemental units.

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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.

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crys·tal (krstl)

n.

1. A homogenous solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between constituent parts.

2. A mineral, especially a transparent form of quartz that has a crystalline structure and is often characterized by external planar faces.

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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.

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crystal(s),

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

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crystal

a naturally produced angular solid of definite form.

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crystal-associated hepatopathy

see crystal-associated cholangiohepatopathy.

crystal-induced arthritis

see gout, pseudogout.

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

see gout, pseudogout.

tissue crystal

recognizable crystals in tissues occur in crystal-associated cholangiohepatopathy, zinc and oxalate poisoning.

urines c's

see crystalluria.

crystal violet

a brilliant organic deep purple dye.

crystal violet vaccine

an obsolete hog cholera (classical swine fever) vaccine.