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A genus of neuropterous insects. See Lacewing.

A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, and yielding chrysophanic acid on decomposition.

Pertaining to, or derived from, or resembling, chrysophane. Chrysophanic acid (Chem.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also rhein, rheic acid, rhubarbarin…

An apple-green variety of chalcedony, colored by nickel. It has a dull flinty luster, and is sometimes used in jewelry.

See Chrysoprase. Rev. xxi. 20.

The seed of gold; a means of creating gold. [Obs.] B. Jonson.

A photographic picture taken upon paper prepared by the use of a sensitive salt of iron and developed by the application of chloride of gold. Abney.

The office or employment of a commissary. Ayliffe.

A particular rural district; a country neighborhood. [Eng.] W. Black. Blackmore.

Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the microscope.

attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization.

See Gobulin.

Consisting, or made, of crystal. Mount, eagle, to my palace crystalline. Shak.

al form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc.

Capable of being crystallized; that may be formed into crystals.

he act or process by which a substance in solidifying assumes the form and sructure of a crystal, or becomes crystallized.

To cause to form crystals, or to assume the crystalline form.

Pertaining to the production of crystals; crystal-producing; as, crystallogenic attraction.

The science which pertains to the production of crystals.

One who describes crystals, or the manner of their formation; one versed in crystallography.