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myxedema

(Encyclopedia)myxedema mĭksədēˈmə [key], condition associated with severe hypothyroidism and lack of thyroid hormone in the adult. In the child it is known as cretinism. Symptoms include a dry swelling of the ...

epoxy resins

(Encyclopedia)epoxy resins, group of synthetic resins used to make plastics and adhesives. These materials are noted for their versatility, but their relatively high cost has limited their use. High resistance to c...

acrylic

(Encyclopedia)acrylic, artificial fiber made from a special group of vinyl compounds, primarily acrylonitrile. Acrylic fibers are thermoplastic (i.e., soften when heated, reharden upon cooling), have low moisture r...

latex

(Encyclopedia)latex, emulsion of a polymer (e.g., rubber) in water (see colloid). Natural latexes are produced by a number of plants, are usually white in color, and often contain, in addition to rubber, various gu...

Kamensk-Shakhtinski

(Encyclopedia)Kamensk-Shakhtinski käˈmyĭnsk-shäkhˈtyĭnskē [key], city (1989 pop. 72,000), SE European Russia, on the Donets River. A mining center of the Donets coal basin, the city is also an important prod...

red bug

(Encyclopedia)red bug, name for various red insects or arachnids. Chief among them are the cotton stainer of the S United States, which pierces the seeds of the cotton plant and discolors the fibers, and the larva ...

artificial elements

(Encyclopedia)artificial elements: see synthetic elements. ...

thread

(Encyclopedia)thread, a fine twist of fibrous material, distinguished from yarn in general by being smoother, stronger, and more pliable; it is also better suited to sewing, embroidery, and lace making. Sewing or s...

mitosis

(Encyclopedia)CE5 Mitosis in a body cell of an animal mitosis mītōˈsĭs, mĭ– [key], process of nuclear division in a living cell by which the carriers of hereditary information, or the chromosomes, are ex...

man-made elements

(Encyclopedia)man-made elements: see synthetic elements. ...